diff --git a/core/data/schema/versions/SDEZ_8_rollback.sql b/core/data/schema/versions/SDEZ_8_rollback.sql
new file mode 100644
index 0000000..7f3f2e8
--- /dev/null
+++ b/core/data/schema/versions/SDEZ_8_rollback.sql
@@ -0,0 +1,6 @@
+ALTER TABLE mai2_profile_detail
+    DROP COLUMN currentPlayCount,
+    DROP COLUMN renameCredit;
+
+ALTER TABLE mai2_playlog
+    DROP COLUMN extBool1;
diff --git a/core/data/schema/versions/SDEZ_9_upgrade.sql b/core/data/schema/versions/SDEZ_9_upgrade.sql
new file mode 100644
index 0000000..977527b
--- /dev/null
+++ b/core/data/schema/versions/SDEZ_9_upgrade.sql
@@ -0,0 +1,6 @@
+ALTER TABLE mai2_profile_detail
+    ADD currentPlayCount INT NULL AFTER playCount,
+    ADD renameCredit INT NULL AFTER banState;
+
+ALTER TABLE mai2_playlog
+    ADD extBool1 BOOLEAN NULL AFTER extNum4;
diff --git a/titles/mai2/__init__.py b/titles/mai2/__init__.py
index 4857644..a3c178e 100644
--- a/titles/mai2/__init__.py
+++ b/titles/mai2/__init__.py
@@ -16,4 +16,4 @@ game_codes = [
     Mai2Constants.GAME_CODE_GREEN,
     Mai2Constants.GAME_CODE,
 ]
-current_schema_version = 8
+current_schema_version = 9
diff --git a/titles/mai2/schema/profile.py b/titles/mai2/schema/profile.py
index 211440d..f75edfc 100644
--- a/titles/mai2/schema/profile.py
+++ b/titles/mai2/schema/profile.py
@@ -40,6 +40,7 @@ detail = Table(
     Column("charaLockSlot", JSON),
     Column("contentBit", BigInteger),
     Column("playCount", Integer),
+    Column("currentPlayCount", Integer),  # new with bud
     Column("mapStock", Integer),  # new with fes+
     Column("eventWatchedDate", String(25)),
     Column("lastGameId", String(25)),
@@ -96,6 +97,7 @@ detail = Table(
     Column("playerNewRating", BigInteger),
     Column("dateTime", BigInteger),
     Column("banState", Integer),  # new with uni+
+    Column("renameCredit", Integer),  # new with bud
     UniqueConstraint("user", "version", name="mai2_profile_detail_uk"),
     mysql_charset="utf8mb4",
 )
diff --git a/titles/mai2/schema/score.py b/titles/mai2/schema/score.py
index 181a895..4582561 100644
--- a/titles/mai2/schema/score.py
+++ b/titles/mai2/schema/score.py
@@ -146,6 +146,7 @@ playlog = Table(
     Column("extNum1", Integer),
     Column("extNum2", Integer),
     Column("extNum4", Integer, server_default="0"),
+    Column("extBool1", Boolean),
     Column("trialPlayAchievement", Integer),
     mysql_charset="utf8mb4",
 )