Ren's casual wear is a school uniform; white shirt tucked into black shorts, yellow jacket, dark green tie. Ren is serious and cold-blooded. He is a brave man who risks his life for the people he loves. He had a very violent temper and mercilessly dealt with everything that he did not like. Ren was brought up from childhood, being surrounded by death. He has a slender and toned build, dark purple hair, and golden eyes. His hairstyle is tongari. There is the spirit of Bason.