Rule 34 Dev - anal anal_penetration assassination_classroom blush censored clenched_hands clenched_teeth comic doujin doujinshi gay greyscale humansub karasuma_tadaomi kimono kimono_lift kimono_pull koro-sensei legs_held_open male_only male_rape_victim male_urethral_insertion malesub monster_on_male multiple_males nippleplay penis restrained sex teacher tentacle tentacle_around_neck tentacle_in_penis tentacle_on_male tentacle_rape tentacle_suspension tentacles_around_legs tentacles_around_wrists tentacles_on_male tentacles_under_clothes urethral urethral_insertion urethral_penetration yaoi|2140569976