The Izuku/Ochako dynamic absolutely owns the 'friends to lovers' space, which honestly feels inevitable given their canon trajectory. It's a comforting blueprint: all those shared moments of vulnerability, the mutual support, the blushing—it writes itself. But where it gets interesting for me is when writers push past that surface sweetness. I've seen some fantastic fics that explore the immense pressure that comes with being the Symbol of Peace's successor dating the gravity girl who's fighting her own battles. The trope becomes less about fluffy confessions and more about two people navigating insane public scrutiny and the constant fear of losing each other in a fight. That's the good stuff.
Enemies-to-lovers is almost exclusively dominated by Katsuki/Izuku, which, okay, fair. The history is there, loaded with complexity. The fandom's interpretation of that trope has shifted so much over the years, though. Early on, it was a lot of outright antagonism softening into something else, often with Katsuki doing a full 180. Now, I see more fics treating it as 'rivals to lovers,' where the competitive fire never really dies; it just gets channeled into a different kind of intensity. The relationship becomes another arena where they're pushing each other to be better, which feels more true to their characters than a simple forgiveness narrative.
I'm a bit tired of the 'All Might is Izuku's biological father' trope that sometimes gets used as a shortcut for romantic angst. It feels like a convoluted way to add drama when the series already provides so much organic conflict. Give me a 'pro-heroes dating in secret' trope any day—the logistics of that with media, safety, and agency politics are way more engaging. Or the 'healing touch' scenario where a romance blooms between a injured hero and the support-staff or healer who helps them recover; it's a great setup for quiet, character-driven moments the high-octane canon often skips over.