Baku Otouto -

“You have eaten forty-seven nightmares,” it said. “You are no longer the dreamer, Akira-kun. You are becoming the baku.”

Akira just smiled. His teeth had begun to yellow. His eyes had two coins of gold where the pupils should be. baku otouto

This manga typically revolves around a younger brother with explosive abilities or a chaotic personality that disrupts the life of his older sibling. (Note: If you are thinking of the niche horror/erotic manga by a similar name, that is a very different, adult-oriented category. The general action manga focuses on sibling dynamics and power systems). “You have eaten forty-seven nightmares,” it said

One sleepless night, Akira heard a rustle beneath his futon. “You have eaten forty-seven nightmares