mochizuki riku, serika (blue archive), blue archive, commentary request, highres, 1girl, @ @, alternate costume, animal ear fluff, animal ears, animal hands, apron, bell, black dress, black hair, black thighhighs, blue bow, blue ribbon, blush, bow, breasts, cat ears, cat girl, cat tail, collar, collarbone, cowboy shot, dated, dress, enmaided, fang, frilled apron, frilled dress, frills, gloves, hair ribbon, halo, hands up, jingle bell, long hair, looking at viewer, maid, maid headdress, neck bell, open mouth, paw gloves, pink eyes, pink halo, puffy short sleeves, puffy sleeves, red collar, ribbon, short sleeves, signature, simple background, small breasts, solo, sweat, tail, thighhighs, twintails, very long hair, white apron, white background