1girl, :o, animal costume, animal ears, bangs, blush, brown eyes, brown hair, buttons, cow costume, cow ears, cow hood, fake animal ears, fake horns, hands up, hood, hood up, hooded pajamas, horns, long hair, looking at viewer, oomuro-ke, oomuro hanako, pajamas, parted lips, revision, signature, simple background, solo, upper body, usagi koushaku, white background, yuru yuri