Kouhei Akagi

As a classmate of Kyousuke, this inquisitive individual frequently plays the role of a provocateur. He is known for constantly teasing and questioning Kyousuke regarding the romantic nature of his bond with Manami. Driven by a curious and meddling personality, he serves as a persistent catalyst for social tension within their school circle, always pushing for more details about Kyousuke's private life and developing feelings.