On the way home from a drinking party with coworkers, a female senior whom he admires invites him to a second round of drinks. Afterwards, the female senior gets completely drunk, so he goes to his junior's house to look after her. Normally, the female senior isn't the type to talk dirty, but when she gets drunk, she transforms into an incredibly lewd woman. She takes the junior's dick in her mouth without permission. After that, it's instant sex! They keep pounding until the morning♪!