both r in the wrong, the situation itself is too complicated. Even if you pick either's side, morally, you're still in the wrong, since jiwook was also a minor at that time, and decided to do that disgusting shi and soon after that forget all abt it cuz of the accident, and even now hb is literally clueless af. And juyeon is no different from past jiwook, like genuinely he gains nothing outta ts so called "revenge" of his.