Q:カルちゃんが時々着てる黒いジャージみたいな部屋着が、風呂上がりの学生みたいで可愛いです！何という服ですか？
A:「アークスジャージ」ですー。

Q: Cal-chan sometimes wears a black, jersey-looking kind of casual wear. It makes him look cute, like a college student who's just gotten out of the bath! What kind of clothing is that?
A: It's an "ARKS Jersey".