1girl, arm_behind_head, arm_up, armpits, backlighting, bed_sheet, bikini, black_bikini, blush, breasts, cleavage, closed_mouth, fate/stay_night, fate_(series), forehead, hair_intakes, hair_spread_out, hand_on_own_neck, kojirou_musashi, long_hair, looking_at_viewer, lying, medium_breasts, medusa_(fate), medusa_(rider)_(fate), multi-strapped_bikini, navel, on_back, parted_bangs, purple_eyes, purple_hair, slit_pupils, smile, solo, swimsuit, very_long_hair, white_background