mummification \(bound\), sleepsack, multiple girls, 2girls, blue hair, bound, english text, ahoge, ponytail, blue eyes, breasts, tinted eyewear, bdsm, large breasts, sitting, bondage, black hair, teeth, open mouth, restrained, smile, red-tinted eyewear, long hair, glasses, bound arms, full body, emphasis lines, bound legs, uniform, sweat, sweatdrop, trembling, sunglasses, bound together