Aoi dreams of working at an accounting firm to become a tax accountant and looking after the IT company that her junior colleague and lover Suzuki started while still a student. One day, a man named Kudo visits Aoi, but feels something is off. When she calls Kita, the head of the firm, to report the situation, Kita also acts suspiciously. Aoi examines Kita's documents and finds evidence of a corrupt consultant. Kita has been conspiring with Kudo to help with illegal activities. Realizing that Aoi has found out, Kita takes action to make Aoi submit...