diff --git a/db/migrate/20230103175004_update_nullable_on_party_details.rb b/db/migrate/20230103175004_update_nullable_on_party_details.rb
new file mode 100644
index 0000000..59d9479
--- /dev/null
+++ b/db/migrate/20230103175004_update_nullable_on_party_details.rb
@@ -0,0 +1,7 @@
+class UpdateNullableOnPartyDetails < ActiveRecord::Migration[7.0]
+  def change
+    change_column :parties, :button_count, :integer, null: true, default: nil
+    change_column :parties, :chain_count, :integer, null: true, default: nil
+    change_column :parties, :turn_count, :integer, null: true, default: nil
+  end
+end
diff --git a/db/migrate/20230103180458_change_default_value_on_charge_attack.rb b/db/migrate/20230103180458_change_default_value_on_charge_attack.rb
new file mode 100644
index 0000000..7526a69
--- /dev/null
+++ b/db/migrate/20230103180458_change_default_value_on_charge_attack.rb
@@ -0,0 +1,5 @@
+class ChangeDefaultValueOnChargeAttack < ActiveRecord::Migration[7.0]
+  def change
+    change_column :parties, :charge_attack, :boolean, null: false, default: true
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 1c00aa4..0b5c6cb 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[7.0].define(version: 2023_01_03_150807) do
+ActiveRecord::Schema[7.0].define(version: 2023_01_03_180458) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "btree_gin"
   enable_extension "pg_trgm"
@@ -203,11 +203,11 @@ ActiveRecord::Schema[7.0].define(version: 2023_01_03_150807) do
     t.uuid "skill0_id"
     t.boolean "full_auto", default: false, null: false
     t.boolean "auto_guard", default: false, null: false
-    t.boolean "charge_attack", default: false, null: false
+    t.boolean "charge_attack", default: true, null: false
     t.integer "clear_time", default: 0, null: false
-    t.integer "button_count", default: 0, null: false
-    t.integer "chain_count", default: 0, null: false
-    t.integer "turn_count", default: 1, null: false
+    t.integer "button_count"
+    t.integer "chain_count"
+    t.integer "turn_count"
     t.index ["job_id"], name: "index_parties_on_job_id"
     t.index ["skill0_id"], name: "index_parties_on_skill0_id"
     t.index ["skill1_id"], name: "index_parties_on_skill1_id"