It is Nisino's birthday and she waits for something that will happen, what is this thing she's waiting for? In the night she and Manaka meet. In order for Manaka to decide on who he loves and should date he goes to Oukusa for help. Manaka decides and tells Satsuki something that would surprise her.
One day Junpei Manaka catches a glimpse of a beautiful girl... and her strawberry-print panties. For the first time in Junpei's life, he notices the opposite sex. It also helps that the mystery girl left behind a notebook, filled with a story that Junpei can't put down. Obsessed with this mystery girl, he isn't sure where to turn... shy bookworm Aya Tojo, whose name is in the notebook, or confident school beauty Tsukasa Nishino, who outright told him she was wearing strawberry-print panties.
