Takumi, Mari, Masato, and many other people who work at Kikuchi Cleaning Shop are leading their daily lives as usual. One day, a customer visiting the store is suddenly killed by someone, they need to try to find out who the murderer is...

• Kento Handa
• Yuria Haga
• Kohei Murakami
• Rumika Fukuda
• Daiji Asakawa
• Rui Yanagawa
• Ryûnosuke Hashino
• Kanon Matsuzawa