Miki Takekasa is a loner who typically does not enjoy being around her classmates. On her way home from school, she barely misses being hit when Aya Takayashiki loses control of her bike and crashes in the river. After changing her wet clothes, Aya asks Miki to explore the city with her. On the way home from their adventure, they spot their class representative, Midori Ono, heading into the entertainment district. They follow her to a game shop, where she informs them that she works there and has special permission from their school to do so...