My Sister’s Girlfriend (2017)

Original title: 내 동생의 여자친구

Reiko is a sister who is studying with his successful lawyer brother Sato as a role model. She joins Saburo who is a motivator of the same subject, and she introduces Saburo’s sister, Maya, to her brother to turn her brother’s heart, who does not recognize her boyfriend. Sato is taken away by beautiful Maya. Reiko, who is relieved to see the two of them and dreams of a happy future, suddenly appeared to her ex-girlfriend, Kanbe, and began to blame her for having lost her girlfriend to Sato.