Rei's base form resembles a tall white tiger beastman with a muscular build. He has imposing horns on his head and a large wing on his back. Rei's friendly personality. Rei may come across as rough around the edges, but he's genuinely good-natured and enjoys spending time with his friends. Once he warms up to people, Rei reveals his boisterous and optimistic side. He loves to chat and has a positive outlook on life. Rei has a hearty appetite and is always up for a good meal.