Heartburn Romance - Episode 5

At school, Rio worries that Abby might expose their secret relationship and cause trouble. To stop her, Rio confronts Abby and firmly tells her to back off, revealing he has a fiancée. Abby, feeling cornered and insulted by rumors calling her a mistress for money due to her poor background, lashes out but is warned against defamation. The conflict escalates when Abby threatens to involve her influential father, a school director, to protect herself. As accusations fly, Abby accuses Rio of lying about their relationship, and the episode ends with a tense scene where Abby claims Rio is bullying her, setting up a looming confrontation at school.