At the end of her first year of high school, Futaba has a fateful reuion. Tanaka Kou, her first love -- who transferred without warning and disappeared from her life in middle school -- appears before her for the first time in three years.

Futaba resolves to tell Yuuri about her feelings for Kou. After class, she tells Yuuri and Shuuko how she feels. On the way back, Futaba happens to run into Kou, who's out late at night. Intrigued, she follows him, and finds Kou hanging out with some kids in the entertainment district.