Rule 34 Dev - 1boy 1other androgynous asriel_dreemurr blue_theme cloud crossover doukutsu_monogatari expressionless frisk_(undertale) furry furry_male looking_at_viewer mettaton mettaton_(box) monochrome multiple_monochrome nightmargin outdoors parody pixel_art robot sky smile spoilers style_parody undertale wings|6736572531