1boy, 1girl, ass, black_hair, blue_eyes, blue_panties, blush, boxers, breasts, clock, detached_sleeves, digital_clock, fate/grand_order, fate_(series), fingernails, hair_bun, long_hair, male_underwear, mazenda_(3378), medium_breasts, on_bed, panties, single_hair_bun, single_side_bun, underwear, ushiwakamaru_(fate)