Benio

The scars on his abdomen and thighs were left by humans who, believing the legend that a tengu’s flesh grants immortality, cut him apart and consumed his legs, wings, and internal organs. He became Kisshou after Bishamon saved him by moving his heart to the right side of his chest and restoring his legs.

His entire body has been contaminated by Zone-00. Without it, he cannot maintain his physical body or his sanity.