Nanami, a first-year high-school student, is on track to taking supplementary exams due to his poor grades. In the art-prep room at school, he runs into Takanashi–a big shot senior who placed 3rd in the national-level mock tests-and pleads and forces him into helping him out with his studies. An attractive person with the kind of aura that makes him unapproachable. However, Nanami is drawn to his gentle and compassionate side and the smile senpai rarely shows anyone. –––But this relationship has a deadline. And Nanami, eager to know more about senpai, will…?