A hero returns from another world and remembers being bullied. Why does so much trouble keep happening one after another? For now, he's going to subdue them so they won't lay a hand on him again.

Takahito Yasuda, 16 years old.

He was an Isekai returnee.

Although his memory was quite vague due to having spent 25 years in the other world (while only one month had passed in Japan), he returned to Japan.

To his mother, who worried about him.

"Oh, that's right, I was being bullied, wasn't I?"

Takahito remembered his situation on his first day back at school after his return.

But for him, who had waged life-or-death battles in the other world, it was nothing more than child's play.

"Dealing with them one by one is too much trouble, so I'll just subdue them so they never bother me again."

For him, an Isekai returnee, it was easier than twisting a baby's arm.

But when he subdued the bullies, for some reason, he found himself getting entangled with scoundrels, one after another, like pulling up potatoes by the vine.

This is the story of Takahito Yasuda, an Isekai returnee, who subdues unreasonable people who disregard the law, using an even greater unreasonableness.