Ai from the administrative department and Seiichi from the sales department were happily married and living a peaceful life within the company. However, Seiichi's former boss returns as his new direct superior, plunging him back into hardship. Once tormented by Riona, who despised men, Seiichi now faces similar struggles again. Meanwhile, Riona, who harbors a secret lesbian side, begins developing a new interest in Ai. Between these two women, unexpected emotions start to bloom.