1girl, ahoge, ass, bed, blush, breasts, fate/grand_order, fate/prototype, fate_(series), greyscale, grin, heart, heart-shaped_pupils, large_breasts, long_hair, long_sleeves, looking_at_viewer, lying, m-da_s-tarou, merlin_(fate/prototype), monochrome, on_bed, pants, pillow, pointy_ears, robe, smile, solo, sweat, symbol-shaped_pupils, thighs, tight_clothes, tight_pants, very_long_hair, wide_sleeves