Monogatari no Kuromaku ni Tensei Shite

Ren, a player who achieved the fastest completion of the sequel to the popular game "The Legend of the Seven Heroes," received bonus data he could not locate within the game. After restarting the game, he was prompted with a special story option, which he accepted, leading to him waking up as a baby. He discovers he may have been reincarnated into the game's world as a character named after a real-life classmate who betrays the heroes. Despite wanting a peaceful life, he spares a saint he was meant to kill and saves a noble who was supposed to die, setting off unforeseen events.