Eri, a girl who likes to stay indoors, meets a mysterious but enthusiastic transfer student named Haru. Eri used to love to sing and Haru loves Eri's singing. The story follows the two during one summer of their high school life as their love sometimes overlaps and sometimes passes by each other.

• Studio Deen
• Asami Seto
• Manami Numakura
• Saori Hayami
• Yasuaki Takumi
• Erisa Kuon