In the cold, crowded streets of Tokyo, a sister and her little brother just wanted a quiet life together.
Nishinomiya Furan lives in Tokyo with her little brother because of family circumstances. Every day is the same: go to school, then work a part-time job late into the night.
But one evening, Furan stops by a park and sees something she was never meant to see: a hitman at work.
That one moment drags her into a hidden underworld, and her ordinary life is gone for good. Now shes tearing through Tokyo in a battle comedy that will have you laughing out loud!