2girls, armpit_crease, armpits, arms_behind_head, arms_up, bakkanki, barefoot, black_hair, blue_eyes, blush, breasts, cellphone, chain, chain_leash, femdom, holding, holding_phone, incest, kill_la_kill, kiryuuin_satsuki, large_breasts, leash, leotard, long_hair, looking_at_phone, matoi_ryuuko, midriff, multicolored_hair, multiple_girls, one-piece_swimsuit, open_mouth, phone, pleated_skirt, red_hair, selfie, senketsu, short_hair, siblings, simple_background, sisters, skirt, smartphone, smile, spread_legs, squatting, streaked_hair, suspenders, sweat, swimsuit, taking_picture, thick_eyebrows, thighs, tiptoes, toes, white_leotard, yuri