2girls, arms_behind_back, asymmetrical_docking, breast_press, breasts, clothes_lift, embarrassed, eyebrows_visible_through_hair, flat_chest, grin, hair_bobbles, hair_ornament, hands, holding_hands, incest, interlocked_fingers, long_hair, medium_breasts, multiple_girls, navel, no_bra, open_mouth, pleated_skirt, purple_eyes, purple_hair, school_uniform, serafuku, shirt_lift, short_twintails, siblings, side_ponytail, sisters, skirt, smile, sweatdrop, twins, twintails, underboob, unzipped, very_long_hair, yuri