Susumu falls in love at first sight with a beautiful girl he bumps into in the school hallway. Knowing this, Hiroshi and his friends rely on the ballpoint pen that the beautiful girl dropped and begin to investigate who she is. As a result, the beautiful girl turns out to be Yuki Watanabe from Group 1. Although she only recently transferred to the school, she was already so popular that she had many fans. Susumu wants to convey her feelings somehow...