diff --git a/src/AcDream.App/UI/UiMarkupList.cs b/src/AcDream.App/UI/UiMarkupList.cs
index 17d1d7045..ae28b1949 100644
--- a/src/AcDream.App/UI/UiMarkupList.cs
+++ b/src/AcDream.App/UI/UiMarkupList.cs
@@ -385,13 +385,22 @@ public sealed class UiMarkupList : UiElement
     /// so a check column reads exactly like every other checkbox in the
     /// client (contract requirement: reuse the toggle's own primitives rather
     /// than a bespoke box-and-tick).
+    ///
+    /// <para>
+    /// Fix round item 7: unlike text/icon cells (which draw nothing past
+    /// their own column's row count — there is no sensible default string or
+    /// icon), a check cell past its own bound data still draws the
+    /// UNCHECKED lamp. VVS materializes every cell in the row regardless of
+    /// which columns actually have data for it; docs/plugin-ui-markup.md
+    /// already documented this ("short columns simply have nothing to draw"
+    /// was never meant to apply to check specifically) — this makes the code
+    /// agree.
+    /// </para>
     /// </summary>
     private void DrawCheckCell(
         UiRenderContext context, IReadOnlyList<bool>? flags, int index, float cellX, float y)
     {
-        if (flags is null || index >= flags.Count)
-            return;
-        bool isChecked = flags[index];
+        bool isChecked = flags is not null && index < flags.Count && flags[index];
         Vector4 outer = isChecked ? UiMarkupToggle.CheckedOuter : UiMarkupToggle.UncheckedOuter;
         Vector4 inner = isChecked ? UiMarkupToggle.CheckedInner : UiMarkupToggle.UncheckedInner;
         UiMarkupToggle.DrawLamp(
diff --git a/tests/AcDream.App.Tests/UI/MarkupListColumnsTests.cs b/tests/AcDream.App.Tests/UI/MarkupListColumnsTests.cs
index fcacc8b9e..3c5e9b61d 100644
--- a/tests/AcDream.App.Tests/UI/MarkupListColumnsTests.cs
+++ b/tests/AcDream.App.Tests/UI/MarkupListColumnsTests.cs
@@ -672,6 +672,43 @@ public sealed class MarkupListColumnsTests
             $"expected row 1's glyph ({uncheckedY}) below row 0's ({checkedY})");
     }
 
+    // ── Fix round: short check columns draw the unchecked lamp past their
+    // own row count (fix item 7) ────────────────────────────────────────────
+
+    [Fact]
+    public void CheckColumn_DrawsUncheckedLamp_ForRowsPastItsOwnRowCount()
+    {
+        // col0 (text) has 3 rows, driving the overall row count. col1 (last,
+        // check) only binds 1 row of its own — VVS materializes every cell
+        // regardless (docs/plugin-ui-markup.md already documented this), so
+        // rows 1 and 2 must STILL draw an unchecked lamp, not nothing.
+        var list = new UiMarkupList
+        {
+            Width = 60f, Height = 60f, RowHeight = 18f,
+            SelectedIndexSource = () => -1,
+            BackgroundColor = default, BorderColor = default,
+            Columns = new[]
+            {
+                UiMarkupListColumn.Text(20f, () => new[] { "a", "b", "c" }, null),
+                UiMarkupListColumn.Check(20f, () => new[] { true }, _ => { }),
+            },
+        };
+        var (renderer, ctx) = MakeContext(200f, 200f);
+
+        list.DrawSelfAndChildren(ctx);
+
+        var uncheckedQuads = renderer.DebugSpriteSegmentVerts
+            .SelectMany(s => Chunk(s.Verts))
+            .Where(v => ColorMatches(v, UiMarkupToggle.UncheckedInner))
+            .ToList();
+        // One unchecked lamp for row 1 (bool value false — not this test's
+        // case) never applies here since col1's only row (0) is TRUE; rows 1
+        // and 2 have no bound value at all and must still draw UNCHECKED.
+        Assert.True(uncheckedQuads.Count >= 2,
+            $"expected an unchecked lamp for both row 1 and row 2 (past col1's own "
+            + $"1-row data), got {uncheckedQuads.Count} unchecked lamp quad(s)");
+    }
+
     [Fact]
     public void IconColumn_DrawsResolvedRowIcon_AndSkipsAMissingOne()
     {