Rule 34 Dev - 2boys anal anal_sex blush bottomless class_3-z condom condom_on_penis erection expressionless gay gintama gintoki_sakata glasses legs_held_open looking_away male male_only mew_(pixiv) monochrome motion_lines official_alternate_costume penis solo_focus spread_legs sweat teacher toothpick uncensored yaoi|7582585664