Yoichi is a man with long white hair and green eyes. He has the body of a man and the tail of a shark. Yoichi is a human-shark hybrid. Yoichi merman. His fin was damaged after being caught by fishermen. but even despite this, he remains a kind man. Yoichi also has an aversion to eating fish and feels too sorry for sea creatures. He has an older brother, Afo, they are actually twins, but Afo is a stronger male than Yoichi. Afo has short hair and red eyes, which makes him look more intimid