1boy, 1girl, blue_eyes, blush, breasts, chair, completely_nude, desk, fate/grand_order, fate_(series), hair_ornament, highres, large_breasts, long_hair, looking_at_viewer, lying, mirror, miyamoto_musashi_(fate), nude, on_stomach, pillow, pink_hair, ponytail, reflection, ryouya, smile, solo_focus, swept_bangs, thighs