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