Takamichi’s is troubled by his unsuccessful career as a teacher. One night he comes across a girl alone on the side of the road. She introduces herself as Lo, and acts unexpectedly mature and collected. After taking her to a police station, Takamichi leaves her in the hands of the authorities, when an explosion engulfs the station in flames. Unfortunately, the explosion is just the beginning of the hunt: Lo has become the target of bounty hunters. Takamichi returns to the police station and Lo, convinced by Takamichi’s determination to help her at the risk of his own life, invites him to become her minion.