Meijyou is Chinese hentai animation
In the story, a girl named Long-Yue was on a date with her boyfriend, Xinghai, when they were suddenly attacked by a group of thugs. Xinghai bravely tried to protect her but ended up getting injured. Just when things seemed bleak, the principal’s son appeared and came to their rescue, stopping the thugs from causing further harm to Yue.

The principal’s son had feelings for Yue in the past, but she had rejected him and ignored him multiple times. Before he agreed to help Yue and her injured boyfriend, he made a request. He asked Yue to be his girlfriend for a week as a condition for his help.