diff --git a/src/apps/billboard/static/apps/billboard/note-page.js b/src/apps/billboard/static/apps/billboard/note-page.js
index c648581..0ae9cd3 100644
--- a/src/apps/billboard/static/apps/billboard/note-page.js
+++ b/src/apps/billboard/static/apps/billboard/note-page.js
@@ -173,6 +173,50 @@
 
     // ── init ──────────────────────────────────────────────────────────────────
 
+    function _setGreeting(name) {
+        var el = document.getElementById('id_greeting_name');
+        if (el) el.textContent = name;
+    }
+
+    function _bindDonDoff(item) {
+        var donBtn  = item.querySelector('.note-don-btn');
+        var doffBtn = item.querySelector('.note-doff-btn');
+        if (!donBtn || !doffBtn) return;
+
+        donBtn.addEventListener('click', function (e) {
+            e.stopPropagation();
+            if (donBtn.classList.contains('btn-disabled')) return;
+            fetch(item.dataset.donUrl, {
+                method: 'POST', credentials: 'same-origin',
+                headers: { 'X-CSRFToken': _getCsrf() },
+            })
+            .then(function (r) { return r.json(); })
+            .then(function (data) {
+                _setGreeting(data.title);
+                donBtn.classList.add('btn-disabled');
+                donBtn.textContent = '×';
+                doffBtn.classList.remove('btn-disabled');
+                doffBtn.textContent = 'DOFF';
+            });
+        });
+
+        doffBtn.addEventListener('click', function (e) {
+            e.stopPropagation();
+            if (doffBtn.classList.contains('btn-disabled')) return;
+            fetch(item.dataset.doffUrl, {
+                method: 'POST', credentials: 'same-origin',
+                headers: { 'X-CSRFToken': _getCsrf() },
+            })
+            .then(function () {
+                _setGreeting('Earthman');
+                doffBtn.classList.add('btn-disabled');
+                doffBtn.textContent = '×';
+                donBtn.classList.remove('btn-disabled');
+                donBtn.textContent = 'DON';
+            });
+        });
+    }
+
     function _init() {
         document.querySelectorAll('.note-item__image-box').forEach(function (box) {
             box.addEventListener('click', function (e) {
@@ -182,6 +226,10 @@
             });
         });
 
+        document.querySelectorAll('.note-item').forEach(function (item) {
+            _bindDonDoff(item);
+        });
+
         // Body click → dismiss modal and revert any preview
         document.body.addEventListener('click', function () {
             if (_selectedPalette) _revertPreview();
diff --git a/src/apps/billboard/tests/integrated/test_views.py b/src/apps/billboard/tests/integrated/test_views.py
index fccc63c..fa2890f 100644
--- a/src/apps/billboard/tests/integrated/test_views.py
+++ b/src/apps/billboard/tests/integrated/test_views.py
@@ -282,6 +282,51 @@ class NoteSetPaletteViewTest(TestCase):
         self.assertEqual(self.user.palette, "palette-bardo")
 
 
+class NoteEquipTitleViewTest(TestCase):
+    def setUp(self):
+        self.user = User.objects.create(email="don@test.io")
+        self.client.force_login(self.user)
+        self.note = Note.objects.create(
+            user=self.user, slug="stargazer", earned_at=timezone.now(),
+        )
+
+    def test_don_sets_active_title(self):
+        self.client.post("/billboard/note/stargazer/don")
+        self.user.refresh_from_db()
+        self.assertEqual(self.user.active_title, self.note)
+
+    def test_doff_clears_active_title(self):
+        self.user.active_title = self.note
+        self.user.save(update_fields=["active_title"])
+        self.client.post("/billboard/note/stargazer/doff")
+        self.user.refresh_from_db()
+        self.assertIsNone(self.user.active_title)
+
+    def test_don_returns_200_with_title(self):
+        response = self.client.post("/billboard/note/stargazer/don")
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.json()["title"], "Stargazer")
+
+    def test_doff_returns_200(self):
+        response = self.client.post("/billboard/note/stargazer/doff")
+        self.assertEqual(response.status_code, 200)
+        self.assertEqual(response.json(), {"ok": True})
+
+    def test_don_requires_login(self):
+        self.client.logout()
+        response = self.client.post("/billboard/note/stargazer/don")
+        self.assertEqual(response.status_code, 302)
+
+    def test_don_returns_404_for_unowned_note(self):
+        other = User.objects.create(email="other@test.io")
+        Note.objects.create(user=other, slug="stargazer", earned_at=timezone.now())
+        self.client.logout()
+        self.client.force_login(other)
+        response = self.client.post("/billboard/note/stargazer/don")
+        # other user's own note — should work
+        self.assertEqual(response.status_code, 200)
+
+
 class SaveScrollPositionTest(TestCase):
     def setUp(self):
         self.user = User.objects.create(email="test@savescroll.io")
diff --git a/src/apps/billboard/urls.py b/src/apps/billboard/urls.py
index 2300785..e16ee55 100644
--- a/src/apps/billboard/urls.py
+++ b/src/apps/billboard/urls.py
@@ -9,6 +9,8 @@ urlpatterns = [
     path("toggle-applets", views.toggle_billboard_applets, name="toggle_applets"),
     path("my-notes/", views.my_notes, name="my_notes"),
     path("note/<slug:slug>/set-palette", views.note_set_palette, name="note_set_palette"),
+    path("note/<slug:slug>/don", views.don_title, name="don_title"),
+    path("note/<slug:slug>/doff", views.doff_title, name="doff_title"),
     path("room/<uuid:room_id>/scroll/", views.room_scroll, name="scroll"),
     path("room/<uuid:room_id>/scroll-position/", views.save_scroll_position, name="save_scroll_position"),
 ]
diff --git a/src/apps/billboard/views.py b/src/apps/billboard/views.py
index 97dc18a..a44bc20 100644
--- a/src/apps/billboard/views.py
+++ b/src/apps/billboard/views.py
@@ -137,6 +137,7 @@ def note_set_palette(request, slug):
 @login_required(login_url="/")
 def my_notes(request):
     qs = Note.objects.filter(user=request.user)
+    active_title = request.user.active_title
     note_items = [
         {
             "obj":             n,
@@ -144,6 +145,7 @@ def my_notes(request):
             "description":     _NOTE_META.get(n.slug, {}).get("description", ""),
             "palette_options": _NOTE_META.get(n.slug, {}).get("palette_options", []),
             "palette_label":   _PALETTE_LABELS.get(n.palette, "") if n.palette else "",
+            "is_equipped":     active_title is not None and active_title.pk == n.pk,
         }
         for n in qs
     ]
@@ -154,6 +156,28 @@ def my_notes(request):
     })
 
 
+@login_required(login_url="/")
+def don_title(request, slug):
+    from django.http import Http404
+    try:
+        note = Note.objects.get(user=request.user, slug=slug)
+    except Note.DoesNotExist:
+        raise Http404
+    if request.method == "POST":
+        request.user.active_title = note
+        request.user.save(update_fields=["active_title"])
+    title = _NOTE_META.get(slug, {}).get("title", slug.capitalize())
+    return JsonResponse({"title": title})
+
+
+@login_required(login_url="/")
+def doff_title(request, slug):
+    if request.method == "POST":
+        request.user.active_title = None
+        request.user.save(update_fields=["active_title"])
+    return JsonResponse({"ok": True})
+
+
 @login_required(login_url="/")
 def save_scroll_position(request, room_id):
     if request.method != "POST":
diff --git a/src/apps/dashboard/migrations/0005_alter_line_post_alter_post_owner_and_more.py b/src/apps/dashboard/migrations/0005_alter_line_post_alter_post_owner_and_more.py
new file mode 100644
index 0000000..89fa5be
--- /dev/null
+++ b/src/apps/dashboard/migrations/0005_alter_line_post_alter_post_owner_and_more.py
@@ -0,0 +1,31 @@
+# Generated by Django 6.0 on 2026-04-23 05:42
+
+import django.db.models.deletion
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dashboard', '0004_rename_note_to_post'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='line',
+            name='post',
+            field=models.ForeignKey(default=None, on_delete=django.db.models.deletion.CASCADE, related_name='lines', to='dashboard.post'),
+        ),
+        migrations.AlterField(
+            model_name='post',
+            name='owner',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='posts', to=settings.AUTH_USER_MODEL),
+        ),
+        migrations.AlterField(
+            model_name='post',
+            name='shared_with',
+            field=models.ManyToManyField(blank=True, related_name='shared_posts', to=settings.AUTH_USER_MODEL),
+        ),
+    ]
diff --git a/src/apps/lyric/migrations/0020_add_active_title.py b/src/apps/lyric/migrations/0020_add_active_title.py
new file mode 100644
index 0000000..d9db9d8
--- /dev/null
+++ b/src/apps/lyric/migrations/0020_add_active_title.py
@@ -0,0 +1,20 @@
+# Generated by Django 6.0 on 2026-04-23 05:37
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('drama', '0005_rename_recognition_to_note'),
+        ('lyric', '0019_sky_birth_tz'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='user',
+            name='active_title',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, related_name='+', to='drama.note'),
+        ),
+    ]
diff --git a/src/apps/lyric/models.py b/src/apps/lyric/models.py
index 886a6f2..7fa5951 100644
--- a/src/apps/lyric/models.py
+++ b/src/apps/lyric/models.py
@@ -44,6 +44,10 @@ class User(AbstractBaseUser):
     unlocked_decks = models.ManyToManyField(
         "epic.DeckVariant", blank=True, related_name="unlocked_by",
     )
+    active_title = models.ForeignKey(
+        "drama.Note", null=True, blank=True,
+        on_delete=models.SET_NULL, related_name="+",
+    )
     ap_public_key = models.TextField(blank=True, default="")
     ap_private_key = models.TextField(blank=True, default="")
 
diff --git a/src/apps/lyric/tests/integrated/test_models.py b/src/apps/lyric/tests/integrated/test_models.py
index 2ff0853..59548e0 100644
--- a/src/apps/lyric/tests/integrated/test_models.py
+++ b/src/apps/lyric/tests/integrated/test_models.py
@@ -3,6 +3,7 @@ from django.contrib import auth
 from django.test import TestCase
 from django.utils import timezone
 
+from apps.drama.models import Note
 from apps.lyric.models import LoginToken, PaymentMethod, Token, User, Wallet
 
 
@@ -29,6 +30,27 @@ class UserModelTest(TestCase):
         user = User.objects.create(email="a@b.cde")
         self.assertFalse(user.searchable)
 
+    def test_active_title_is_null_by_default(self):
+        user = User.objects.create(email="a@b.cde")
+        self.assertIsNone(user.active_title)
+
+    def test_active_title_can_be_set_to_a_note(self):
+        user = User.objects.create(email="a@b.cde")
+        note = Note.objects.create(user=user, slug="stargazer", earned_at=timezone.now())
+        user.active_title = note
+        user.save(update_fields=["active_title"])
+        user.refresh_from_db()
+        self.assertEqual(user.active_title, note)
+
+    def test_clearing_note_nullifies_active_title(self):
+        user = User.objects.create(email="a@b.cde")
+        note = Note.objects.create(user=user, slug="stargazer", earned_at=timezone.now())
+        user.active_title = note
+        user.save(update_fields=["active_title"])
+        note.delete()
+        user.refresh_from_db()
+        self.assertIsNone(user.active_title)
+
 class LoginTokenModelTest(TestCase):
     def test_links_user_with_autogen_uid(self):
         login_token1 = LoginToken.objects.create(email="a@b.cde")
diff --git a/src/functional_tests/test_applet_my_notes.py b/src/functional_tests/test_applet_my_notes.py
index 2d429b8..2d88a93 100644
--- a/src/functional_tests/test_applet_my_notes.py
+++ b/src/functional_tests/test_applet_my_notes.py
@@ -398,3 +398,68 @@ class StargazerNoteFromSkyPageTest(FunctionalTest):
             self.browser.find_elements(By.CSS_SELECTOR, ".nw-root")
         ))
         self.assertFalse(self.browser.find_elements(By.CSS_SELECTOR, ".note-banner"))
+
+
+# ──────────────────────────────────────────────────────────────────────────────
+# Title equip — DON/DOFF buttons on the note item
+# ──────────────────────────────────────────────────────────────────────────────
+
+class NoteEquipTitleTest(FunctionalTest):
+    """DON button equips the note title as the sitewide greeting; DOFF restores it."""
+
+    def setUp(self):
+        super().setUp()
+        self.browser.set_window_size(800, 1200)
+        Applet.objects.get_or_create(
+            slug="billboard-notes",
+            defaults={"name": "My Notes", "grid_cols": 4, "grid_rows": 4, "context": "billboard"},
+        )
+        self.gamer = User.objects.create(email="stargazer@test.io")
+
+    def test_don_equips_title_greeting_and_doff_restores(self):
+        """DON replaces 'Earthman' with the note title; DOFF restores 'Earthman'.
+        DON/DOFF follow the game-kit equip button pattern: the active btn is normal,
+        the inactive btn is × + btn-disabled."""
+        Note.objects.create(
+            user=self.gamer, slug="stargazer", earned_at=timezone.now(),
+        )
+        self.create_pre_authenticated_session("stargazer@test.io")
+        self.browser.get(self.live_server_url + "/billboard/my-notes/")
+
+        note_item = self.wait_for(
+            lambda: self.browser.find_element(By.CSS_SELECTOR, ".note-item")
+        )
+        don_btn  = note_item.find_element(By.CSS_SELECTOR, ".btn-equip")
+        doff_btn = note_item.find_element(By.CSS_SELECTOR, ".btn-unequip")
+
+        # Initial state: DON active ("DON"), DOFF disabled ("×")
+        self.assertNotIn("btn-disabled", don_btn.get_attribute("class"))
+        self.assertEqual(don_btn.text, "DON")
+        self.assertIn("btn-disabled", doff_btn.get_attribute("class"))
+        self.assertEqual(doff_btn.text, "×")
+
+        # Click DON → greeting changes to the note title
+        don_btn.click()
+        self.wait_for(
+            lambda: self.assertIn(
+                "Stargazer",
+                self.browser.find_element(By.ID, "id_greeting_name").text,
+            )
+        )
+        self.assertIn("btn-disabled", don_btn.get_attribute("class"))
+        self.assertEqual(don_btn.text, "×")
+        self.assertNotIn("btn-disabled", doff_btn.get_attribute("class"))
+        self.assertEqual(doff_btn.text, "DOFF")
+
+        # Click DOFF → greeting restored to "Earthman"
+        doff_btn.click()
+        self.wait_for(
+            lambda: self.assertIn(
+                "Earthman",
+                self.browser.find_element(By.ID, "id_greeting_name").text,
+            )
+        )
+        self.assertNotIn("btn-disabled", don_btn.get_attribute("class"))
+        self.assertEqual(don_btn.text, "DON")
+        self.assertIn("btn-disabled", doff_btn.get_attribute("class"))
+        self.assertEqual(doff_btn.text, "×")
diff --git a/src/static_src/scss/_note.scss b/src/static_src/scss/_note.scss
index 96ffc5d..5e971ff 100644
--- a/src/static_src/scss/_note.scss
+++ b/src/static_src/scss/_note.scss
@@ -60,6 +60,20 @@
     @media (min-width: 1200px) { grid-template-columns: repeat(4, 1fr); }
 }
 
+// DON/DOFF equip buttons — positioned outside the top-left corner,
+// matching the .tt-equip-btns pattern from the game kit tooltip.
+.note-don-doff {
+    position: absolute;
+    left: -1rem;
+    top: 0;
+    display: flex;
+    flex-direction: column;
+    gap: 1.25rem;
+    z-index: 1;
+
+    .btn { margin: 0; }
+}
+
 .note-item {
     position: relative;
     display: flex;
diff --git a/src/templates/apps/billboard/my_notes.html b/src/templates/apps/billboard/my_notes.html
index 4e8b75f..68fae33 100644
--- a/src/templates/apps/billboard/my_notes.html
+++ b/src/templates/apps/billboard/my_notes.html
@@ -10,7 +10,19 @@
     <ul class="note-list">
         {% for item in note_items %}
         <li class="note-item" data-slug="{{ item.obj.slug }}"
-            data-set-palette-url="{% url 'billboard:note_set_palette' item.obj.slug %}">
+            data-set-palette-url="{% url 'billboard:note_set_palette' item.obj.slug %}"
+            data-don-url="{% url 'billboard:don_title' item.obj.slug %}"
+            data-doff-url="{% url 'billboard:doff_title' item.obj.slug %}"
+            data-title="{{ item.title }}">
+
+            <div class="note-don-doff">
+                <button type="button"
+                    class="btn btn-equip note-don-btn{% if item.is_equipped %} btn-disabled{% endif %}"
+                    >{% if item.is_equipped %}&times;{% else %}DON{% endif %}</button>
+                <button type="button"
+                    class="btn btn-unequip note-doff-btn{% if not item.is_equipped %} btn-disabled{% endif %}"
+                    >{% if not item.is_equipped %}&times;{% else %}DOFF{% endif %}</button>
+            </div>
 
             <div class="note-item__body">
                 <p class="note-item__title">{{ item.title }}</p>
diff --git a/src/templates/core/_partials/_navbar.html b/src/templates/core/_partials/_navbar.html
index bff202d..99daf07 100644
--- a/src/templates/core/_partials/_navbar.html
+++ b/src/templates/core/_partials/_navbar.html
@@ -2,7 +2,7 @@
 <nav class="navbar">
     <div class="container-fluid">
         <a href="/" class="navbar-brand">
-            <h1>Welcome,<br>Earthman</h1>
+            <h1>Welcome,<br><span id="id_greeting_name">{% if user.active_title %}{{ user.active_title.slug|capfirst }}{% else %}Earthman{% endif %}</span></h1>
         </a>
         {% if user.email %}
             <div class="navbar-user">