The story is set at a company’s summer karaoke competition, held inside a multi-tenant office building. Various “salaryman contestants,” each carrying their own personal struggles, compete in vocal skill, while behind the scenes the event staff face a string of troubles yet push forward with a show-must-go-on spirit.
| Actor | Role |
|---|---|
 Asaka ManatoNot listed | Not listed |
 Yuki OgoeNot listed | Not listed |
 Kano MariaNot listed | Not listed |
 Kento KiuchiNot listed | Not listed |