Nikoru has light-colored dyed hair that is lighter than Runa's, a necklace on the opening of her chest, piercings in her ears, pink nails, and her fashion wear is that of a gal but she also has sharp eyes that give her the vibe of a delinquent. She's an expert about nail polish and she think about doing a course and turn it into a nail artist after the end of the school. She keep thinking about her ex boyfriend, who broke up with her to have fun with other girls, and it still hurts for her.