xin1, serika (blue archive), blue archive, absurdres, highres, 1girl, animal ear fluff, animal ears, black gloves, black hair, black shoes, black skirt, black socks, blue jacket, blue necktie, cat ears, cat girl, closed mouth, gloves, hair between eyes, halo, jacket, knee pads, long hair, looking at viewer, necktie, night, on swing, red eyes, red halo, shirt, shoes, single knee pad, sitting, skirt, sneakers, socks, solo, swing, twintails, white shirt