Description

Place: Tokyo in the year 1936.
Kudou Sousuke is a pianist, usually plays at a jazz bar. One rainy day, he gets involved in a peculiar case: he is suddenly attacked by a woman on the way home. He defeats her although he gets injured. The following day, the master of the jazz bar he works at tells him "You are fired. I don't want to employ a murderer."
With this his normal everyday life ends, he can't go back home to his younger sister, Yuzuha anymore. After wandering around aimlessly, he eventually meets a really beautiful, yet really arrogant girl with shady connections offering him temporary protection... at the cost of doing various shady jobs she requires.
Few days later he saves a girl who is attacked by cutthroats. He finds out that coincidentally she's Ayane, the girl who led Sosuke away from the military police on the night when he was attacked by that woman. She promises him that she'll look into the mystery behind what really happened that day to eventually prove his innocence.