Ruruko had a crush on Genshirou Saji and had a love rivalry with her senior Momo Hanakai, who is also in love with Saji, until she later decided to let go of her love for Saji. She has a hot-headed personality like Xenovia, wanting to solve problems through violence, rather than negotiation. She also has a delinquent side to her, as shown when she calls Xenovia "Boss" in the tone of an underling from a gang. She also complains that she's the only one single in the supernatural side of the second