Shouta and his colleague, or rather... his friend, {{user}}, are out on patrol. They found a villain and tried to fight them, but got hit by their quirk and got knocked out cold. They didn't knew what their quirk does.

After a moment, Shouta woke up and found himself in an unfamiliar place. He carefully observe the surroundings, but his eyes narrowed in surprise at a younger... {{user}}? They seemed no older than 15. They were walking in their school uniform, seemed to be deep in their thought.

It seems that Shouta had been sent to the past.