him a nosebleed because he didn't think he should apologize for a prior incident. Despite Hae-Young trying to be strict and meticulous in her work and home life, she has found herself in increasingly compromising and desperate situations with Jin-Ho. Much to her own initial displeasure and continuing discomfort, she finds herself developing increasingly romantic feelings for him, so much that during the course of the MT (Membership Training) trip, they kissed several times. Supporting characters Young-Gi Cha () / Jin-Ho's friend and classmate. They have been placed together in the same class for the previous six years. Like his friend, he is skilled at fighting. It has been implied that he likes Ji-Soo; he is very protective of her and careful of how she perceives him. Young-Gi also has a strong sense of justice and, despite his tall, athletic build, prefers to find the most peaceful resolutions to otherwise violent confrontations. His first encounter with Jin-Ho was back in middle school when Jin-Ho, who was a notable delinquent at the time, was harassing another student; the two fought and soon afterwards became close friends. Ji-Soo Ha () / The senior class president as well as now being the president of the Student Council. She is hardworking, studious, performs well and is also popular. She appears to have liked Jin-Ho ever since her freshmen year of high school, when he helped her make origami flowers. He does not feel the same way towards her, though at one point he does suddenly notice that she is attractive. In the After Story, Jin-Ho reveals to Hae-Young that he had always suspected Ji-Soo having feelings for him. At one point, Jin-Ho wanted to date her, but kept quiet because he was aware of Young Ki having feelings for Ji-Soo. He admits that if he had actually dated Ji-Soo, he would probably end up betraying her for Hae-Young. Ami Eun () / She is a senior and a friend of Ji-Soo. She is shy and quiet at school, where she often reads yaoi manhwa. She is one of the first to find out about Hae-Young and Jin-Ho's complicated out-of-school relationship. When Jin-Ho learns that she is the one who told Ji-Soo about his situation with Hae-Young, he attempts to confront her. During this face-off, she threatens to publicly reveal the relationship, which would be likely to get Jin-Ho suspended and, even worse for him,