1girl, ass, bent_over, black_skirt, blush, breasts, eonsang, from_behind, full_body, girls'_frontline, green_eyes, grey_hair, hk416_(girls'_frontline), holding_tennis_racket, kneepits, large_breasts, looking_at_viewer, looking_back, open_mouth, panties, pleated_skirt, ponytail, racket, shoes, skirt, sneakers, socks, solo, sports_bra, sportswear, standing, teeth, tennis_racket, tennis_uniform, underwear, white_panties, white_socks, white_sports_bra