Rule 34 Dev - 1girl ;d blush clam collarbone female_focus green_hair hair_ornament heart jewelry kaisanbutsu long_hair mermaid monster_girl muromi-san namiuchigiwa_no_muromi-san navel necklace one_eye_closed open_mouth red_eyes seashell shell smile solo two_side_up very_long_hair white_background wink|4182298848