Mitarai, Kiyoshi

御手洗清志

Kiyoshi Mitarai, also known as Seaman, is a human who gains superhuman abilities due to the demon plane hole opened by Sensui. He can mix his blood with water to form water golems. His domain is confined within these creatures. Mitarai is emotionally traumatized after witnessing the Black Chapter. He holds the belief that all humans are inherently evil and merely need the opportunity to reveal it.