Man, the 'shxtou' thing's gotta be a typo for 'Shoto,' right? As in Shoto Todoroki from 'My Hero Academia' crossed with Vox Akuma from 'Nijisanji EN'? That's a wild mashup that shouldn't work but somehow has a dedicated corner on AO3. The dynamic is built entirely on contrasts—Shoto's internalized, repressed fire-and-ice trauma versus Vox's ancient, performative demon lord theatrics. Writers love to pit Shoto's stoic, socially-awkward hero-in-training vibe against Vox's flamboyant, centuries-old wisdom (and his tendency to call everyone 'darling').
It creates this fascinating pressure cooker. You get fics where Vox tries to 'mentor' this emotionally constricted kid, poking at his walls with centuries of practiced charm, and Shoto just... doesn't react the way anyone in Vox's world would. The tension isn't just romantic; it's about fundamentally different ways of existing. Is Vox a corrupting influence on a future hero, or is he the one person who sees past the 'hero legacy' crap because he's lived through so many eras himself? I've seen some amazing takes where Shoto's ice quirk is a metaphor for his emotional state, and Vox's whole demonic heat thing literally and figuratively thaws him, which is cheesy but effective.
Honestly, half the appeal is the anachronism. A 400-year-old demon streamer and a 16-year-old superhero student navigating a shared apartment or a demon realm mission is inherently ridiculous, and the best fics lean into that awkwardness before diving into the real emotional meat. The power imbalance is huge, so writers either de-age Vox into a more peer-like form, age Shoto up post-canon, or make the imbalance the entire point—a study in manipulation, care, and finding unexpected understanding across a chasm of experience.