shingyouji tatsuya, white legwear, translated, 3girls, arms behind back, bdsm, black socks, blouse, blue eyes, blush, bondage, borrowed character, bound, bound ankles, bound legs, box, breasts, brown hair, cardboard box, collared shirt, female focus, from above, gag, gagged, improvised gag, in box, in container, kidnapping, kneehighs, legs together, long hair, milestone celebration, multiple girls, panties, pantyshot, pleated skirt, school uniform, serafuku, shirt, skirt, small breasts, socks, speech bubble, sweat, tape, tape bondage, tape gag, thighhighs, underwear, white panties, white shirt