When Mizuho (Misono Mizuhara), a new office lady, makes a mistake at work and is being scolded by a senior employee, her manager Shimokawa treats her kindly. However, Shimokawa is only playing the role of a good boss, and in reality, he is a total pervert who likes to smell big breasts and sweaty pantyhose, and he has his sights set on Mizuho. One day, while on a business trip, a male employee holds a social gathering to welcome the new office lady Mizuho. Mizuho, ​​who likes to drink cheerfully, drinks all the alcohol that is poured for her and passes out.