Rule 34 Dev - 1boy ai_generated anal anal_penetration anal_sex armpits arms_behind_head arms_up ass balls bound gay heroine_in_trouble izuku_midoriya male male_focus midoriya_izuku muscular my_hero_academia restrained slim slime solo_male submissive_male tentacle tentacle_on_male tentacle_sex tied_up yaoi|13959067216