momojiri serika, seifuku kanojo, artist request, highres, official art, 1girl, black hair, black jacket, black shoes, black socks, blazer, bow, bowtie, breasts, collared shirt, convenient leg, earrings, falling petals, grey skirt, hand on own knee, jacket, jewelry, loafers, long hair, long sleeves, looking at viewer, medium breasts, open clothes, open jacket, open mouth, petals, pink bow, pink bowtie, pink eyes, pink petals, plaid clothes, plaid skirt, pleated skirt, school uniform, shirt, shoes, sitting, sitting on stairs, skirt, smile, socks, solo, stairs, white shirt