Rule 34 Dev - 2010s 2018 2_girls 2d 2d_(artwork) alphyne alphys alternate_version_available anthro anthro_on_anthro anthro_only artist_name bed bedroom black_bra black_panties black_underwear blue_body blue_skin breasts breasts_exposed canon_couple digital_media_(artwork) dinosaur dinosaur_girl duo echoheartx elegantfolly exposed_breasts exposed_nipples female female/female female_anthro female_only fish fish_girl indoors lesbian lizard lizard_girl monster monster_girl nipples non-mammal_breasts non-mammal_nipples nude nude_anthro nude_female on_bed red_hair reptile reptile_girl scalie scalie_female undertale undertale_(series) underwear underwear_only undyne unphys video_game_character video_games yellow_body yellow_skin yuri|1012732