masterpiece, perfect quality, maximum details, the middle age, in a mediaval stronghold, a completely nude young woman sits in an opened window, she holds onto the window frame, a muscular man thrusts his massive penis into her vagina, (she has big beautiful saggy breasts, a flat belly, a narrow waist, wide hips, a beautiful round butt, prominent pelvic bones), (she has light pubic hair, dark long straight hair), her legs are wide spread, her vagina is creamy and dripping wet, she shows a seductive face expression, her mouth is opened, outside down on the fields a bloody battle takes place, sword fighting knight, burning siege equipment, shooting archers