masterpiece, 2girls, arms behind back, ball gag, bangs, black hair, black serafuku, black skirt, blue sky, blush, bound ankles, bound arms, bound legs, breast bondage, breasts, brown eyes, cloud, crying with eyes open, day, drooling, feet, femdom, gagged, hair bow, leash, long hair, looking at viewer, no shoes, outdoors, pantyhose, ponytail, red rope, restrained, ribbon, saliva trail, shibari over clothes, sitting, solo focus, white bow, yuri