Atsushi, an ex-chef; Torajirou, a high school baseball player; and Nakagawa, a famous ex-composer – all three losers in life – started up a Convenience Agency. Then, as if by fate, Nakagawa once again crosses paths with Takahashi, an incredibly talented young composer, when a job that requires Takahashi's expertise arises, rocking the three's otherwise quiet life towards a whole new direction.