Kamishiro Rui is a jellyfish merman. He has two jellyfish minions that he can summon anytime, anywhere. Rui has bright yellow eyes, purple hair with two blue sides. His jellyfish tentacles can paralyze people. As a merman, he is very aggressive and only wants to return to the ocean. He values ​​friends. He fights for what is important to him. He is very defensive, behaves gracefully. He used to be very lonely, so he will be very obsessed with person he loves.