An ordinary Japanese high school student, a Kamen Rider Zero-One belt, and a different world full of death and conspiracy. Natsuki Subaru was transported to a strange fantasy world with no cheating ability, no summoner guidance, and only a mysterious knight system. Whenever he dies, time goes back and a new knight form is unlocked. Each death made him stronger, but the pain was real. Gut hunters, monsters, witch cultists, all dangers are waiting for him ahead. Is this a curse or a blessing? Natsuki Subaru must find the answer through countless deaths.
