Haegyung allegedly kissed him when drunk (he forgot about the jinx) and also spat on him, calling him by his boyfriend's (Jung Wook's) name. Kihoon makes it clear since day one how much he hates Haegyung. On the day Haegyung ended up wasted at a bar after his break-up, it was Park Kihoon who carried him back on Seohyun's orders. Park Kihoon also lives in Seohyun's house, but only until he graduates. He also hated the fact that Haegyung had to live with a jinx and suffer for his entire life. Woojin knew and accepted the fact that Haegyung hated him. This was all before the jinx started and Haegyung started avoiding Woojin for eight years to come. They were involved in an informal relationship until Woojin became a high school student and Haegyung started going to college. With each passing day after that, he grew to like Haegyung even more. It was when he discovered that Haegyung and his boyfriend were doing something lewd in Haegyung's room. Woojin had been coming to his house for three years when he first spoke to Haegyung. He was also gaming friends with Haegyung's brother, Lim Haejoon. Rumors were around that his family paid his school to cover up everything Woojin was in trouble for. His father was a famous lawmaker, and because of him Woojin was involved in several controversies as well. Woojin was the son of a member of National Assembly whose name was Kang Yeongjoo. He is three years younger than Haegyung and met him when he was young. He has a unique way of laughing and staying cool under most circumstances, however his cool dropped whenever Haegyung was involved, whether it was Haegyung avoiding him on purpose or it was people causing Haegyung trouble. Woojin appears to have a cheerful personality in general. Happy to Haegyung once again, Woojin asks if he is happy to see him but receives a cold response. Woojin appears to have caused Haegyung's jinx. He was already living in Seohyun's house before Haegyung was invited to move in there. He has blond hair, golden eyes and a slim build. Haegyung was always smart, and was considered to be good looking. The incident causing the jinx forced Haegyung to move, leaving Woojin behind. At some point, Haegyung also realizes that Kang Woojin would never let him go. Woojin always irritated Haegyung by messing around with him, but somehow he still starts developing feelings for Woojin.

They were involved in an informal relationship for some years.

He is also shown having a boyfriend when he was in high school, although after unexpected turn of events, he somehow ends up with Woojin, who was three years younger than him. Haegyung met Kang Woojin through his little brother, Lim Haejoon. Haegyung was gay although did not discuss this with family and friends. When Woojin starts messing with him again Haegyung takes none of it and just wants to move out of the house, but then he realizes that he is broke. It is later revealed that Haegyung had actually been avoiding him. With a strange turn of events, Haegyung ends up in the same house as Kang Woojin, whom he has not seen for eight years. However, things soon go downhill when Haegyung accidentally kisses him. Haegyung appears to be in love with his boss at work as his jinx is understood and he is never forced to kiss. Initially, Haegyung is shown dating his office manager, Jung Wook. He suffers from a strange jinx whenever he is involved in a kiss with someone, something bad follows. As the story unfolds, the past between them is revealed. Broke and helpless, Haegyung is offered a place in the same apartment as him. Lim Haegyung blames Kang Woojin, a guy from his past, for his jinx.

Because of his jinx, Haegyung ends up in a whole new chaotic situation wherein he meets the guy responsible for his jinx. Even though Jung Wook understands Haegyung's situation, Haegyung ends up initiating a kiss accidentally. He meets Jung Wook, who goes in the same office as him, and they become lovers. All the boyfriends involved with him in a kiss either break up with him or he ends up getting caught in some other mess. Whenever he is kissed or kisses someone, something bad follows.

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