Made using NovelAI DiffusionV3. Prompt:

Desired: {{{sketch (medium)}}}, {realistic}, 1 guy, 1 girl, Quetzalcoatl, fate, fire emblem three houses, aged up, uncensored, wearing fire emblem three houses uniform, perfect legs, {{{medium breasts}}}, blurry background, bedroom, natural light, windows, standing, guy standing, behind girl, guy dick between legs, guy hands grabbing breasts from behind, facing viewer, view from front, view from below, crazy face, close-up, clothes removed, absurdres, very aesthetic, amazing quality

Undesired: glowing eyes, aged down, cartoon style, cartoonized,anime, bunny girl, extra fingers, pale skin, glasses, low light scene, dark scene