
Even if in the past they were “cute” , I can’t forget all the abuses Dohyun has received from sungho.
The lost of memories of dohyun aren’t a excuse for everything he has suffered
So my thoughts on sungho didn’t change, I think that he is a psychopath and he has to go to prison. Nothing can excuse all the abuses he made on the protagonist
(Sorry for my English)

Poor boy...this wasn’t a relationship, that motherfucker of a teacher has taken advantage of his position and your innocence to RAPE (yes it is rape, because a middle schooler can’t be 100% aware of the situation)
This is disgusting...I’m so sorry for the child...

this outlines it pretty well
https://www.quora.com/Why-is-the-age-of-consent-so-low-in-Japan
I can’t accept this relationship until the seme asks forgiveness to the uke, bullying is a serious issue and you can’t ignore that and confess your “love” without admit your faults
Also remember that if someone has hurt you once there will be always a second, third and so on... time