Torikagosou no Kyou mo Nemutai Juunin-tachi, Venus ni Arazu Recommendations
Young women work as models for eccentric (and hot) young male artists. The guys take an artistic interest in the girls' bodies, but of course it can be interpreted as more. Despite frequent nude modeling in Torikagosou, it is less adult-themed than Venus ni Arazu.
Girl working as a model for the young artist