Friend's mother Yui Hatano

Yui Hatano plays a recently divorced mother living alone with her son. She gets involved with her son's friend Xiaolong, who takes advantage of her loneliness. This is a classic example of a stepmom scenario, where the line between family and intimacy blurs. As Xiaolong spends more time with Yui, he starts to develop feelings for her, leading to a taboo relationship between the two.