Rika is a Gyoubu Danuki (Monstergirl Enzyclopedia).She is like a tanuki with ears and tail of a tanuki. She also has a leaveon top of her head that she uses to transform or transform other. She inhires the same powers like transformation of herself or others. She is a merchant. She specially sells Prisoner Fruit and Succubus Nostrum if she is in her human form these two products causes a human to transform into a random Monstergirl if consumed. She also sells other Products from the Mamano Realm