1girl armlet b.d bangs bare_shoulders bikini black_bikini bob_cut breasts character_name collarbone commentary eyeliner fate/grand_order fate_(series) highres horns looking_at_viewer makeup navel oni oni_horns petite pointy_ears purple_eyes purple_hair revision short_hair shuten_douji_(fate) skin-covered_horns small_breasts smile solo swimsuit thighs water