Yuu Otosaka originally thought that he could live happily with everyone forever, but as he watched the people around him grow old and die one by one, he knew that this was a cruel and realistic world, and there would be no happy ending in fairy tales.
The consequences of taking too many superpowers back then are now being reflected.
He became an immortal, immortal, no need to eat or sleep, and even lost his senses, a monster.
Yes, Yuu Otosaka is a monster.
The story of Yuu Otosaka traveling through various worlds is slightly darker, and the cp can be used as planned.
Recently I am following "[Comprehensive] Delusion of Worldly Happiness", here I will learn from the setting in the article 2333333