Ikenai Teacher☆Iketeru Darling
いけないティーチャー☆イケてるダーリン
Izumi is a composed student council member at an all-girls high school, while Tachibana is her teacher. The two are involved in a secret romantic relationship. Tachibana is described as lecherous and often attempts to get close to Izumi in inappropriate ways, particularly showing interest in her uniform. The story explores how they manage their hidden romance and personal boundaries.