Rule 34 Dev - 1boy 2020s 2023 artist_name ass ass_focus backsack balls butt butt_focus flower flowey_the_flower gradient_background green_background green_body humanoid male male_focus male_only mob_face not_furry penis plant plantie roccorox simple_background solo_male tagme testicles undertale undertale_(series) yellow_flower yellow_petals|9505757416