Hina is a married woman who is married to her boss at work, Yusuke. Even after getting married, she and her coworkers continue to work and are constantly teased by them, but they live happily. One night, when Hina goes to the office to pick up some documents in place of Yusuke, she finds her senior colleague, Tadokoro, working overtime. Hina's intimate relationship with her husband has always aroused his lust, and combined with the stress of work, he can't help but push her down. Hina feels guilty towards her husband, but she does as she's told and is raped...