Charai Hayama ni Kyun to Kita
Other names: チャラい羽山にきゅんときた, 让我心动不已的轻浮学弟羽
Author: Machino Iroha
Artis: Machino Iroha
From Summer Rain: Asahina, a member of the library committee is made to supervise her kouhai, Hayama, who is on probation for hooking up with a fellow student. As time passes, they become friends and maybe more...?