Himchan has a prince syndrome who would only classify you as a friend if you have the same high status as he has and if you're not, then you're classified as a follower but with Jongup, he didn't even like him enough to classify him as a follower but things changed the moment he saw the happiness in Jongup's face when he gave his broken toy to Jongup, who actually treasured it.  Years later, Jongup became Himchan's favorite follower. Then Yongguk comes along threatening to steal Jongup away from him.