An isekai comedy manga based on the idol unit Hinatazaka46.

Everything in this world is my enemy. This kind of world is worthless. A boy, who is called a demon with no human heart, breathes,... more>> lives and imagines. But what is the pounding in his heart when he heard he is going to save the world? That’s not his wish, though… <<less

Enter Hikawa Naomi, son of a music critic and Ebisawa Mafuyu, a young prodigy pianist who suddenly disappeared from the music world.