takanashi kou, mitsukasa ayase, riddle joker, commentary, highres, 1girl, animal ear fluff, animal ear hairband, animal ears, black camisole, black hairband, blunt bangs, blush, braid, camisole, cat ears, collarbone, eyes visible through hair, fake animal ears, furrowed brow, hair between eyes, hairband, hands up, jacket, long hair, looking at viewer, low twintails, official alternate costume, official alternate hairstyle, open clothes, open jacket, open mouth, paw pose, pink background, pink hair, purple eyes, simple background, sleeves past wrists, solo, striped clothes, striped jacket, twin braids, twintails, upper body, very long hair, wavy mouth