『上课把跳d突然开到最大』介绍:Haeyoung (Kim Hyeyoon) is a hopeless girl. She has tattoos all over her arms. She uses vulgar language, and is even violent. She is a terrible troublemaker. She does not have a mother and lives with her father (Park Hyukkwon), who runs a Chinese restaurant, and a younger sibling. One day, her father has a mysterious accident, which places her in a position of responsibility. Sh...