Rule 34 Dev - 2boys age_difference all_fours alternate_version_available anal begging big_penis blue_body blue_hair blush butthole colored comic cowgirl_position cum cum_in_ass cum_inside dialogue english_text femboy forced forced_anal forced_yaoi gaping_anus goblin goblin_male gobta green_skin horny male_only manga moaning nipples nude open_mouth penis_size_difference prone_bone riding riding_cock riding_penis rigurd rimuru_tempest rough_anal rough_sex shoganight size_difference slime slime_boy small_dom_big_sub small_penis speech_bubble sweat sweatdrop sweater sweating tears tensei_shitara_slime_datta_ken text thumbs_up trap yaoi yellow_eyes|12930858640