1boy 1girl absurdres air_bubble anthias_(fish) bangs barefoot bikini bikini_top_only black_hair black_male_swimwear blue_eyes bubble butterflyfish closed_mouth collarbone commentary_request fish full_body highres looking_at_viewer male_swimwear md5_mismatch medium_hair mermaid monster_girl navel open_mouth original pink_bikini purple_eyes rinshi short_hair starfish string string_of_fate swim_trunks swimsuit topless_male tropical_fish underwater