1girl, ass, ball, blue_eyes, bush, elbow_pads, from_behind, grass, hat, knee_pads, kneeling, looking_back, open_mouth, panties, pink_hair, pink_skirt, puffy_short_sleeves, puffy_sleeves, purple_panties, racket, roller_skates, short_sleeves, skates, skirt, solo, tennis_ball, tennis_racket, underwear