
Can someone pls enlighten me? Is the seme has mental illness or something?

I'm not a perfessional, but the uke probably has PTSD, or the title of the manhwa -- stockholm symdrome. Stockholm syndrome means falling in love with your kidnapper, abuser, someone who has caused you a tramatic experience.
I think atm he is in denial of what the seme did to him. He's saying how he doesn't really know if the seme was actually guilty. He is OBVIOUSLY guilty bc of what he did (r@pe, sexual harassment, ect.)
The seme is just fucked in the head, my guess would be trauma of his own, but who knows. Some psychological issue maybe?
I hate people who's like jiho when things gets messy. They're making it more messy and all he thinks is his feelings