Pretty sure it’s because juyeon confessed that he liked jiwook and instead of jiwook actually admitting that he liked juyeon he went and did all that fucked up shit. Also, I think jiwook was the one to send the video of juyeon being raped to his mother? Not sure about that tho. I think that’s the thing that differentiates jiwook from the others. Correct if I am wrong, but I think jiwook has internalized homophobia?? Idk either way everyone in this story is messed up in the head.

during high school ik jiwook initiated to gangrape juyeon but why only jiwook getting punished.... if i m not wrong jiwook's high school friends raped juyeon too probably more than what jiwook did...
why juyeon taking revenge only on jiwook not others? they are rapists too. prolly living normal life which is more disguisting...
if this supposed to be a revenge shouldnt he take revenge on others too? they r equally bad as jiwook