Man, shipping Denki and Deku feels like such a specific little corner of the BNHA fandom, doesn't it? It's not one of the big headline pairings, which honestly makes it more fun to dig into because you're less likely to run into the same five tropes repeated everywhere. The vibe for Denki/Deku fics tends to be super soft—lots of mutual pining where Denki's the outgoing, touchy one who's secretly terrified of messing up, and Izuku is just... Izuku, overanalyzing every interaction until his brain short-circuits. You get a lot of 'study buddies to lovers' arcs, or fics where they're paired together during some training exercise and things just click. I've read a few where Denki's quirk instability or the side effects of overuse become a major plot point, and Izuku goes full nerd-mode trying to help him analyze and improve it, which is always a great character beat for both of them.
If you're looking for specific 'ships' within the Denki/Deku dynamic, it really breaks down by the type of conflict. There's the 'Sunshine Boyfriends' flavor, where it's pure, tooth-rotting fluff about two genuinely kind people supporting each other. Then you've got the 'Pining from Both Sides' variety, which is my personal weakness—so many missed signals and dumb misunderstandings until someone finally snaps. A less common but really interesting angle is the 'Crack Treated Seriously' ship, where authors take the idea of Denki's 'dumb blonde' persona and twist it, making him way more perceptive than anyone gives him credit for, which Izuku slowly discovers. The best fics I've found usually mix the friend-group dynamic in, with Mina and Kirishima as the ultimate shippers-on-deck, and Bakugou grumbling in the background. It's a comfy, low-drama ship that feels like a warm hug after you've been wading through heavier, angstier pairings.