Tsubasa, a new graduate who joined an underwear brand a year late after repeating a year of school, reunites with his best friend from school days, Makoto, at the company where he gets his job. Tsubasa is Tsubasa about being a new member of society, but Makoto, as a senior, teaches him many things and he is having a smooth time. But one day, Tsubasa finds out about Makoto's relationship with the female president, Yu. First lesbian encounter!! A lesbian love triangle in the office.