@Anastasia he wanted minjae to be only his at the start but when minjae kissed the other guy something changed ,he still want minjae but now knows that minjae does not want him as he gets excessively intimate with other guys ,Yohan can not control his actions because he didn't give their relationship a name ......now he is just trying to make minjae's life miserable,he hates him and cares about him these feelings are quite complex , because Yohan is manipulation, obsessive, lonely and spolied .....hah ...in simple words messed up