diff --git a/core/data/src/commonMain/kotlin/io/github/droidkaigi/confsched/data/sessions/DefaultSessionsApiClient.kt b/core/data/src/commonMain/kotlin/io/github/droidkaigi/confsched/data/sessions/DefaultSessionsApiClient.kt
index 313c3d199..66ac715d7 100644
--- a/core/data/src/commonMain/kotlin/io/github/droidkaigi/confsched/data/sessions/DefaultSessionsApiClient.kt
+++ b/core/data/src/commonMain/kotlin/io/github/droidkaigi/confsched/data/sessions/DefaultSessionsApiClient.kt
@@ -156,6 +156,7 @@ public fun SessionsAllResponse.toTimetable(): Timetable {
                         } else {
                             apiSession.i18nDesc.toMultiLangText()
                         },
+                        message = apiSession.message?.toMultiLangText(),
                     )
                 }
             }
diff --git a/core/droidkaigiui/src/commonMain/kotlin/io/github/droidkaigi/confsched/droidkaigiui/component/TimetableItemCard.kt b/core/droidkaigiui/src/commonMain/kotlin/io/github/droidkaigi/confsched/droidkaigiui/component/TimetableItemCard.kt
index b6404facc..e3ea41859 100644
--- a/core/droidkaigiui/src/commonMain/kotlin/io/github/droidkaigi/confsched/droidkaigiui/component/TimetableItemCard.kt
+++ b/core/droidkaigiui/src/commonMain/kotlin/io/github/droidkaigi/confsched/droidkaigiui/component/TimetableItemCard.kt
@@ -61,6 +61,7 @@ import io.github.droidkaigi.confsched.droidkaigiui.animation.LocalFavoriteAnimat
 import io.github.droidkaigi.confsched.droidkaigiui.previewOverride
 import io.github.droidkaigi.confsched.model.TimetableItem
 import io.github.droidkaigi.confsched.model.TimetableItem.Session
+import io.github.droidkaigi.confsched.model.TimetableItem.Special
 import org.jetbrains.compose.resources.stringResource
 
 const val TimetableItemCardBookmarkButtonTestTag = "TimetableItemCardBookmarkButton"
@@ -170,25 +171,27 @@ fun TimetableItemCard(
                         }
                     }
                 }
-                if (timetableItem is Session) {
-                    timetableItem.message?.let {
-                        Row(
-                            modifier = Modifier
-                                .padding(top = 8.dp)
-                                .height(IntrinsicSize.Min),
-                            horizontalArrangement = Arrangement.spacedBy(12.dp),
-                        ) {
-                            Icon(
-                                Icons.Filled.Info,
-                                contentDescription = stringResource(DroidKaigiUiRes.string.image),
-                                tint = MaterialTheme.colorScheme.error,
-                            )
-                            Text(
-                                text = it.currentLangTitle,
-                                fontSize = 16.sp,
-                                color = MaterialTheme.colorScheme.error,
-                            )
-                        }
+
+                when (timetableItem) {
+                    is Session -> timetableItem.message
+                    is Special -> timetableItem.message
+                }?.let {
+                    Row(
+                        modifier = Modifier
+                            .padding(top = 8.dp)
+                            .height(IntrinsicSize.Min),
+                        horizontalArrangement = Arrangement.spacedBy(12.dp),
+                    ) {
+                        Icon(
+                            Icons.Filled.Info,
+                            contentDescription = stringResource(DroidKaigiUiRes.string.image),
+                            tint = MaterialTheme.colorScheme.error,
+                        )
+                        Text(
+                            text = it.currentLangTitle,
+                            fontSize = 16.sp,
+                            color = MaterialTheme.colorScheme.error,
+                        )
                     }
                 }
             }
diff --git a/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched/model/Timetable.kt b/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched/model/Timetable.kt
index 89f155aa2..d86547d79 100644
--- a/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched/model/Timetable.kt
+++ b/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched/model/Timetable.kt
@@ -161,6 +161,7 @@ public fun Timetable.Companion.fake(): Timetable {
                     enTitle = "This is a description\nThis is a description\nThis is a description\n" +
                         "This is a description\nThis is a description\nThis is a description\n",
                 ),
+                message = null,
             ),
         )
         for (day in -1..1) {
@@ -229,6 +230,10 @@ public fun Timetable.Companion.fake(): Timetable {
                     enTitle = "This is a description\nThis is a description\nThis is a description\n" +
                         "This is a description\nThis is a description\nThis is a description\n",
                 ),
+                message = MultiLangText(
+                    jaTitle = "このセッションは事情により中止となりました",
+                    enTitle = "This session has been cancelled due to circumstances.",
+                ),
             ),
         )
     }
diff --git a/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched/model/TimetableItem.kt b/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched/model/TimetableItem.kt
index 843f62cb1..5790ba60f 100644
--- a/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched/model/TimetableItem.kt
+++ b/core/model/src/commonMain/kotlin/io/github/droidkaigi/confsched/model/TimetableItem.kt
@@ -62,6 +62,7 @@ public sealed class TimetableItem {
         override val levels: PersistentList<String>,
         override val speakers: PersistentList<TimetableSpeaker>,
         val description: MultiLangText,
+        val message: MultiLangText?,
     ) : TimetableItem()
 
     private val startsDateString: String by lazy {
diff --git a/feature/sessions/src/commonMain/kotlin/io/github/droidkaigi/confsched/sessions/component/TimetableGridItem.kt b/feature/sessions/src/commonMain/kotlin/io/github/droidkaigi/confsched/sessions/component/TimetableGridItem.kt
index a79837759..2b7e884f3 100644
--- a/feature/sessions/src/commonMain/kotlin/io/github/droidkaigi/confsched/sessions/component/TimetableGridItem.kt
+++ b/feature/sessions/src/commonMain/kotlin/io/github/droidkaigi/confsched/sessions/component/TimetableGridItem.kt
@@ -59,6 +59,7 @@ import io.github.droidkaigi.confsched.model.TimetableAsset
 import io.github.droidkaigi.confsched.model.TimetableCategory
 import io.github.droidkaigi.confsched.model.TimetableItem
 import io.github.droidkaigi.confsched.model.TimetableItem.Session
+import io.github.droidkaigi.confsched.model.TimetableItem.Special
 import io.github.droidkaigi.confsched.model.TimetableItemId
 import io.github.droidkaigi.confsched.model.TimetableLanguage
 import io.github.droidkaigi.confsched.model.TimetableRoom
@@ -226,7 +227,10 @@ fun TimetableGridItem(
                 },
             )
 
-            val shouldShowError = timetableItem is Session && timetableItem.message != null
+            val shouldShowError = when (timetableItem) {
+                is Session -> timetableItem.message
+                is Special -> timetableItem.message
+            } != null
 
             if (isShowingAllContent && (speakers.isNotEmpty() || shouldShowError)) {
                 Row(
@@ -263,7 +267,7 @@ fun TimetableGridItem(
                                 .size(TimetableGridItemSizes.errorHeight),
                             imageVector = Icons.Default.Error,
                             contentDescription = stringResource(SessionsRes.string.content_description_error_icon),
-                            tint = MaterialTheme.colorScheme.errorContainer,
+                            tint = MaterialTheme.colorScheme.error,
                         )
                     }
                 }
@@ -587,6 +591,7 @@ fun TimetableGridItemWelcomeTalkPreview() {
                         enTitle = "This is a description\nThis is a description\nThis is a description\n" +
                             "This is a description\nThis is a description\nThis is a description\n",
                     ),
+                    message = null,
                 ),
                 onTimetableItemClick = {},
                 gridItemHeightPx = 154,