Chiwa confronts Eita about his new new girlfriend Masuzu. Chiwa tells Eita that she will be popular and get a boyfriend. Masuzu makes a school club to help to help Chiwa become popular and ends up embarrassing Chiwa in front of other students. Masuzu tells Eita that she wants him to be only her boyfriend.

A new love letter every day is placed in Eita's shoebox, but before he can deal with it a new girl shows up and kisses him in front of Masuzu.

Fuyuumi Ai has forced the club to shut down. Masuzu wants Eita to get closer to her and find a weakness.