How Does Villain Deku X Reader Explore Dark Character Emotions?

Villain Deku is tricky because a core part of him is that unwavering heroic drive. I think the most believable shift happens when you break that in a way that feels inevitable, not rushed. Maybe he decides the system is so corrupt that saving people requires dismantling it completely. The 'reader' character becomes his moral tether, a reminder of the humanity he's trying to protect, which creates this delicious internal conflict. Scenes where he's coldly logical about a brutal plan, but his hand shakes just slightly when the reader touches it? That's the good stuff. His meticulous nature from canon would just transfer to villainy—every contingency planned, every emotional variable accounted for, except for the reader. They're the one unpredictable element in his perfect design. I've seen fics where the reader is a civilian he 'saves' by pulling into his orbit, or a former UA student who now questions everything. The tension isn't just 'will they be caught?'; it's 'will his love for them corrode his new ideals, or will his ideals eventually demand he sacrifice them?' Dialogue is key. He wouldn't monologue like a cartoon villain. His explanations would be calm, reasoned, almost lecture-like, which is somehow more terrifying. The horror for the reader comes from seeing the sweet boy they knew still in there, twisted into something new. A scene that always gets me is when the reader is injured, and his villainous persona completely shatters into pure, frantic Midoriya Izuku panic for a moment before he forcibly reassembles the cold mask, realizing he's shown his weak spot.