mochizuki riku, serika (blue archive), blue archive, commentary request, highres, 1girl, animal ear fluff, animal ears, black socks, blush, breasts, cat ears, cat girl, dated, halo, jacket, long hair, long sleeves, looking at viewer, open clothes, open jacket, pink halo, red eyes, shirt, signature, sitting, small breasts, socks, solo, t-shirt, thighs, twintails, very long hair, wariza, white background, white shirt