greatmosu, original, commentary request, highres, translation request, 1boy, 1girl, abs, arm around shoulder, arm under breasts, blush, breasts, bulge, collarbone, couch, elbow gloves, erection, erection under clothes, gloves, grabbing another's breast, greyscale, groping, hetero, huge breasts, long hair, monochrome, muscular, muscular male, navel, netorare, nipple stimulation, nipples, on couch, sitting, slingshot swimsuit, speech bubble, standing, sweat, swimsuit, thighhighs, tongue, tongue out, tsukimi chifuyu (greatmosu), very long hair