
This one gonna take a long way if the story follow the novel, so don't expect any romance between the two yet. Seju continue to meet up with his long time sex partner and Sejin saw them having sex when Seju bring his sex partner to their house. Though Sejin who is already in love with him still oblivious to his real feelings and sexuality, he coudn't understand why he got so mad and feel insecure. From then on, Sejin keep dreaming about the two of them having sex, but Seju was the bottom in his dream. Sejin grow bigger and taller than Seju. However, Seju only think of Sejin as projection of his sister or like a lil brother to him.
Sejin mom died bcz of pancreatic cancer. And after a few days, he find out that it was Seju who paid the debt and hospitalization of his mother.
When Seju came home after a week, he found Sejin sleeping on his bed hugging Seju's clothe tightly, Seju then realized that Sejin has romantic feelings for him. Sejin woke up and run towards him, hug him and asked where he went and why he just come home. Sejun pushed him away and runaway, he went to the gang workshop and sleep there, leaving Sejin alone and felt abandoned.
I've read just until this part.
Someone spoil it for me pls