To keep using their school's abandoned observatory as a refuge, two sleepless high school students decide to revive the defunct astronomy club.

• Pony Canyon
• UNITED PRODUCTIONS
• Nana Mori
• Daiken Okudaira
• Yuki Sakurai
• Minori Hagiwara
• Kaisei Kamimura
• Seira Anzai
• Riko Nagase
• Honoka Kawasaki