Keisuke (ケイスケ,Keisuke) is the husband of the former Sakuragaoka High SchoolLight Music Club member Mihoko. He is seen in Teacher!, planning to marry Mihoko. The Light Music Club's former band, Death Devil, is invited to play at the wedding. After Sawako Yamanaka decided to finally play for them, he cheers her on alongside the rest of the invitees.
Appearance
He has black hair and is seen wearing a white suit at his wedding.