diff --git a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedReactionRepository.kt b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedReactionRepository.kt
index 1d1d7564..92c8ebd9 100644
--- a/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedReactionRepository.kt
+++ b/hideout-core/src/main/kotlin/dev/usbharu/hideout/core/infrastructure/exposedrepository/ExposedReactionRepository.kt
@@ -76,7 +76,7 @@ fun ResultRow.toReaction(): Reaction {
 
 }
 
-object Reactions : Table("Reactions") {
+object Reactions : Table("reactions") {
     val id = long("id")
     val postId = long("post_id").references(Posts.id)
     val actorId = long("actor_id").references(Actors.id)
diff --git a/hideout-core/src/main/resources/db/migration/V1__Init_DB.sql b/hideout-core/src/main/resources/db/migration/V1__Init_DB.sql
index 6ce43568..44bfbcf5 100644
--- a/hideout-core/src/main/resources/db/migration/V1__Init_DB.sql
+++ b/hideout-core/src/main/resources/db/migration/V1__Init_DB.sql
@@ -318,4 +318,16 @@ create table if not exists filter_keywords
     keyword   varchar(1000) not null,
     mode      varchar(100)  not null,
     constraint fk_filter_keywords_filter_id__id foreign key (filter_id) references filters (id) on delete cascade on update cascade
-)
\ No newline at end of file
+);
+
+create table if not exists reactions
+(
+    id              bigint primary key,
+    post_id         bigint       not null,
+    actor_id        bigint       not null,
+    custom_emoji_id bigint       null,
+    unicode_emoji   varchar(100) not null,
+    created_at      timestamp    not null,
+    constraint fk_reactions_post_id__id foreign key (post_id) references posts (id) on delete cascade on update cascade,
+    constraint fk_reactions_actor_id__id foreign key (actor_id) references actors (id) on delete cascade on update cascade
+);
\ No newline at end of file