Re:ZERO -Starting Life in Another World-

Subaru is the typical average guy who knows nothing, suddenly catapulted into a fantasy world that offers him nothing. The only bright spot seems to be Emilia, a silver-haired girl who gets him out of a bind; to repay her, he decides to stick with her. The problem is, she's carrying a huge target on her back, and things end badly in five minutes: a knife in the stomach and they both bleed to death in a dark alley. The end of the story? Not a chance. Subaru wakes up safe and sound a few hours early, discovering firsthand that he's stuck in a hellish loop. Every time he dies, time goes back, but at an inhuman psychological cost: only he remembers the pain, the terror, and the stench of his own blood. To keep the people he cares about alive, he must use his own death as a constant trial-and-error, sinking into a vortex of trauma that tears at his brain. If you want an isekai that spits in the face of the usual clichés and wreaks havoc on your nerves, this one will destroy you.