1girl, bangs, bat wings, bikini, blunt bangs, bow, bowtie, brown eyes, brown hair, demon tail, detached collar, flat chest, fujiwara tatsuroo, halloween, halloween costume, hat, long hair, mini hat, mini top hat, navel, oomuro-ke, oomuro hanako, swimsuit, tail, thighhighs, top hat, wand, white background, wings, wrist cuffs, yuru yuri, zettai ryouiki