本片是一部韩国剧情片，上映于2020-07-02，由Choi Sung·eun导演，由新春/Bo Ra/Kang Seo主演。
剧情简介：Chan-joon, living with an open-minded relative sister. I don't care about Chan-joon at all, such as bringing my boyfriend home and having sex. That's why Chan-joon began to meet another man after receiving a sex break-up after having sex with his girlfriend. Heartbroken Chan-joon saves Bo Ra from being forced into dating by her boyfriend. Bo ra is curiously drawn while looking at Chan-joon, who was hurt in a quarrel. After the conflict, Bo ra enters Chan-joon's room.
外文名：친척 여동생
类型：剧情 / 爱情
地区：韩国
导演：Choi Sung·eun
演员：新春 / Bo Ra / Kang Seo
