Michiru, who is married to Yuichi, who works in the same department, doesn't like her boss, Oki. - He is an athletic guy and is a domineering man who takes it for granted to force him to work or go to drinking parties. - On a Friday before a trip the next day, a man stays at Zukazuka's house after entertaining and drinking with his good husband into the night. - Michiru, whose travel plans are ruined, takes out her anger on Oki. - Oki also reacts to this, pushing Michiru down and trying to persuade her with his body. - Michiru resisted, but was unable to escape from Ooki's hands, and the waves of climax gradually overtook her...