At the end of the chapter 49, he has found himself again. He doesn't consider himself as a prostitute. He accepts his homosexuality and in his confession, he is the one who gets kissed etc. He is the master and not Seungho.
I agree that he accepts himself but he still consider himself as a whore. What that bastard learned sir has told him affected him deeply. Combined with that guy leaving him for good, made him lock himself up with his feelings and decided to just 'be useful' to SH. it's also true, NK is the master. He is using SH to mask his own feelings through sexual pleasure. I feel bad for NK but I also feel bad for SH because he seems to be developing feelings for NK.
Seungho already loves the painter and their first night was for him their wedding night. the offering of the mirror proves it. The confession proved he abandons the teacher's doctrines. Do you know what kind of laws JIH made him follow? I counted 7 and the last chapter is the moment when BNK abandons the scholar's teaching.
I feel so bad for Nk like he's completely shut himself down from loving another hes too afraid to love someone else. Not only this he truly feel like he deserves to be punished by sex for hes quote on quote a whore. Hes given up on just being him and is now being so submissive solely because he thinks he's a whore and deserves it. ┗( T﹏T )┛ which bby boy thats not true your amazing and deserve better than those two. I want him to find himself again and learn to love himself