4girls, ass, ball, blonde_hair, brown_hair, dated, elbow_pads, elbow_sleeve, from_behind, girls_und_panzer, gradient_background, hair_ribbon, hand_on_own_hip, hands_on_own_hips, isobe_noriko, kawanishi_shinobu, knee_pads, kondou_taeko, long_hair, multiple_girls, ponytail, ribbon, sasaki_akebi, satou_yasu, short_hair, simple_background, sleeveless, sportswear, thighhighs, volleyball, volleyball_(object), volleyball_uniform, white_thighhighs