Yajima-kun no sezonku friendYajima-kun no senzoku furendo ; Yajima-kun's exclusive friend ; 矢嶋くんの専属フレンド

Summary: After being caught kissing his senpai, Umegaki Kaoru is ready to do anything to make Yajima keep his secret, but instead of being extorted as he was expecting, Yajima asks him to become his friend. Just what could he be planning?