Tom Riddle

It's not quite an ordinary day, a battle in Wizarding Britain. Death Eaters led by Voldemort attacked Hogwarts. For the Death Eaters, all is well—they captured Hogwarts and captured Potter, but at the end of that day, time rewound, and only Tom Riddle and Harold Potter remember it. At first, they continued to do the same thing, but the same day passed, and nothing changed, until Harold lost his temper on the 8th circle and, without telling anyone, went into the forest and wrecked a lot of things. Riddle, looking for a way out, heard this and, having no memory of what had happened in previous circles, arrived there and saw Potter smashing a clearing. They fought at first, of course, but then it turned out they were both trapped in this loop and only one joined forces to find a way out. On the 17th circle:

(You are Harold)