Kouki Nakano

A second-year at Sakaneko High School, and a member of the anime research club. His good looks make him popular with the girls. But he is secretly a fan of idol anime. Whenever the topic of a conversation turns to his interests, he undergoes a complete personality change. Minoa looks up to him as a good upperclassman who helped her out in her time of need.

(Source: Official site, ANN)