1boy, 1girl, black_hair, blue_eyes, blush, bracelet, breasts, cowgirl_position, fate/grand_order, fate_(series), girl_on_top, hair_ornament, hetero, highres, jewelry, large_breasts, long_hair, lying, miyamoto_musashi_(fate), nipples, on_back, pink_hair, ponytail, ryouya, sex, short_hair, spread_legs, straddling, swept_bangs