Honestly? I've been scrolling past a lot of Denji x Yoshida lately and most of it feels kinda samey. The 'forced partnership' trope is everywhere—Yoshida dragging Denji on some Public Safety mission, they bicker, something goes wrong, they're stuck in a safehouse, and suddenly feelings. It's fine, I guess, but I'm burnt out on it.
The stuff that's actually sticking with me is weirder, quieter. There's this one that framed it entirely through Yoshida's detached, almost clinical observation logs of Denji's behavior, which then slowly devolve into these painfully personal footnotes. The romance wasn't in big declarations; it was in him noting the exact way Denji takes his coffee three months in, or the hesitation before logging 'Subject exhibited signs of distress.' That kind of character-focused, psychological angle hits way harder for me than another 'we have to share body heat' scenario.
Also, crossover AUs can be a fun shake-up. Saw a decent one that dropped them into a 'Yakuza' game-style setting, with Yoshida as a stoic patriarch and Denji as this chaotic, loyal lieutenant. The inherent tension of their canon dynamic mapped surprisingly well onto that world's coded masculinity and unspoken loyalty. It's niche, but sometimes moving them out of the 'Chainsaw Man' world entirely lets writers play with their core traits in fresher ways.