I still can't get over that passage in 'Corrupted' where the guy's watching her from across the bar after he's just spent half the novel making her life hell. That specific flavor of 'I despise you but I'm obsessed' energy keeps me flipping pages way too late. The genre taps into a weird fantasy of being so maddening to someone that you occupy every single thought of theirs, even if it's negative attention.
A lot of folks point to 'Untouchable' and 'Punk 57' as the big ones, which they are, but I think the quieter, campus-based ones like 'The Risk' build emotional tension better. The public humiliation scenes sting more when you've sat through chapters of the heroine's quiet dread in lecture halls and dorm rooms. It's less about grand gestures of cruelty and more about that constant, low-grade anxiety that makes the eventual shift feel earth-shattering. The guy's internal conflict in that one, where he realizes his own jealousy is driving the bullying, was handled with a rawness I haven't seen often.
A lot of the newer stuff feels like it's trying too hard on the spice and forgets to simmer the emotional base first, which leaves the payoff feeling unearned. The good ones make you feel complicit, like you're rooting for this terrible dynamic to somehow work out.