18+ Namaiki Delation: Hitotsuki Goto ni Dereru Saikyou Otome Nagisa

Shinjuurou managed to avoid supplementary lessons by passing the make-up test. However, his joy was fleeting, as he was tricked by his teacher to be a member of the cultural festival committee. Since there was no one else there, he had to find other members to join as well… but why are all those joined so cheeky?

(Source: Hau~ Omochikaeri!)