diff --git a/schema/init/aime.sql b/schema/init/aime.sql
new file mode 100644
index 0000000..ea98ed6
--- /dev/null
+++ b/schema/init/aime.sql
@@ -0,0 +1,45 @@
+create schema "aime";
+
+create type "aime"."region" as enum (
+    'JPN',
+    'HKG',
+    'SGP',
+    'KOR',
+    'USA'
+);
+
+create table "aime"."shop" (
+    "id" bigint primary key not null,
+    "ext_id" integer not null,
+    "name" text not null,
+    "region" "aime"."region" not null,
+    constraint "shop_uq" unique ("ext_id")
+);
+
+create table "aime"."machine" (
+    "id" bigint primary key not null,
+    "shop_id" bigint not null
+            references "aime"."shop"("id"),
+    "pcb_id" text not null,
+    "keychip_id" text not null,
+    constraint "machine_pcb_id_uq" unique ("pcb_id"),
+    constraint "machine_keychip_id_uq" unique ("keychip_id")
+);
+
+create table "aime"."player" (
+    "id" bigint primary key not null,
+    "ext_id" integer not null,
+    "register_time" timestamp not null,
+    constraint "player_uq" unique ("ext_id")
+);
+
+create table "aime"."card" (
+    "id" bigint primary key not null,
+    "player_id" bigint not null
+            references "aime"."player"("id")
+            on delete cascade,
+    "nfc_id" text not null,
+    "register_time" timestamp not null,
+    "access_time" timestamp not null,
+    constraint "card_uq" unique ("nfc_id")
+);