Synopsis
Stumbling across an unbelievable option in a game, the man jumped at it without thinking twice. Next thing he knew, he'd been reborn as the baby version of the villain — the one who gets killed by the protagonist — and on top of that, his sister was a genius child. In the game, she gets treated so badly that players used to joke the developers must have had a personal grudge against her. He made up his mind to give her a good life. That was going to be his whole purpose. …That was the plan, anyway. Then his…
