kanae tsukasa, mikogami nagisa, mikogami riko, mikogami rimu, anyamal tantei kirumin zoo, 3girls, blue eyes, blue hair, book, bow, breasts, brown hair, cleavage, coke-bottle glasses, drill hair, glasses, hair bow, hair ornament, holding, holding book, hugging book, hugging object, long hair, multiple girls, paw print, pink eyes, purple eyes, siblings, sisters, thighhighs, twintails, zettai ryouiki