!, ...?, 2girls, alternate costume, animal ears, blue eyes, blush, brown hair, brown pajamas, brown pants, brown shirt, cat ears, cat girl, cat tail, closed eyes, collared shirt, colored eyelashes, dress shirt, eighth note, green shirt, hair between eyes, long hair, long sleeves, multiple girls, musical note, pajamas, pants, rabbit ears, rubbing eyes, shirt, sleeping, sleeves past wrists, spoken exclamation mark, spoken musical note, spoken zzz, tail, under covers, zzz