diff --git a/codewars/7kyu/number-like-counter/koronya.js b/codewars/7kyu/number-like-counter/koronya.js
new file mode 100644
index 000000000..2f6a03a3b
--- /dev/null
+++ b/codewars/7kyu/number-like-counter/koronya.js
@@ -0,0 +1,26 @@
+// [JS][7kyu] Number-like counter
+// number-like-counter
+// https://www.codewars.com/kata/5313b713bb244a0eb20001fe/train/javascript
+
+class Counter {
+  constructor() {
+    this.value = 0
+  }
+
+  incr() {
+    this.value += 1
+    return this
+  }
+
+  [Symbol.toPrimitive](hint) {
+    return this.value
+  }
+}
+
+const c = new Counter()
+c.incr()
+c + 1 // 2
+c > 1 // false
+c > 0 // true
+c == 1 // true
+Math.sqrt(c) // 1