After Koyuki and Maho finish a hot-and-steamy skinny-dipping adventure, his fondness for her freewheeling spirit grows. At school, new responsibilities in music class lead to tension with a school bully—who ends up trying to blackmail him! Koyuki's life is turning into one big ball of confusion: Ryusuke is still upset with him after breaking his guitar ... will things ever be the same between them?