Rule 34 Dev - 2019 alphys big_breasts big_penis blush clothing comedy comic digital_media_(artwork) english_text erection erection_under_clothes female frisk frisky_(under(her)tail) funny glasses humor imminent_fellatio imminent_oral male mettaton mettie robot saliva syhpla text thewill under(her)tail undertale undertale_fanfiction|3699585080