プロンプト

3people, Naked femboy pressing body against glass, futanari, small breasts pressed against glass, small penis, small balls, hairy cock and balls, bikini top, erect nipples, foreskin, water running down glass, getting fucked from behind by a futanari, anal sex, shower, wet skin, wet hair, watched by a woman in a competition swimsuit, viewed from below outside shower stall, detailed linework