diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 5d85819d54..6aac41c7d8 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -1982,6 +1982,10 @@ pages:
       _divide:
         arg1: "A"
         arg2: "B"
+      remind: "÷ 割った余り"
+      _remind:
+        arg1: "A"
+        arg2: "B"
       eq: "AとBが同じ"
       _eq:
         arg1: "A"
diff --git a/src/misc/aiscript/evaluator.ts b/src/misc/aiscript/evaluator.ts
index 2bc866dc43..6beb320442 100644
--- a/src/misc/aiscript/evaluator.ts
+++ b/src/misc/aiscript/evaluator.ts
@@ -160,6 +160,7 @@ export class ASEvaluator {
 			subtract: (a: number, b: number) => a - b,
 			multiply: (a: number, b: number) => a * b,
 			divide: (a: number, b: number) => a / b,
+			remind: (a: number, b: number) => a % b,
 			strLen: (a: string) => a.length,
 			strPick: (a: string, b: number) => a[b - 1],
 			strReplace: (a: string, b: string, c: string) => a.split(b).join(c),
diff --git a/src/misc/aiscript/index.ts b/src/misc/aiscript/index.ts
index 711cfb41eb..1ce09b7bdb 100644
--- a/src/misc/aiscript/index.ts
+++ b/src/misc/aiscript/index.ts
@@ -57,6 +57,7 @@ export const funcDefs: Record<string, { in: any[]; out: any; category: string; i
 	subtract:        { in: ['number', 'number'],           out: 'number',      category: 'operation',  icon: faMinus, },
 	multiply:        { in: ['number', 'number'],           out: 'number',      category: 'operation',  icon: faTimes, },
 	divide:          { in: ['number', 'number'],           out: 'number',      category: 'operation',  icon: faDivide, },
+	remind:          { in: ['number', 'number'],           out: 'number',      category: 'operation',  icon: faDivide, },
 	eq:              { in: [0, 0],                         out: 'boolean',     category: 'comparison', icon: faEquals, },
 	notEq:           { in: [0, 0],                         out: 'boolean',     category: 'comparison', icon: faNotEqual, },
 	gt:              { in: ['number', 'number'],           out: 'boolean',     category: 'comparison', icon: faGreaterThan, },