The Subjugation of Tiger
Read the storyKotetsu T. Kaburagi (from Tiger & Bunny) has sex with a group of muscular men. They first fuck him through the holes in his robotic suit, but then they rip off his armor, and then his bodysuit. Men collar him and cage his cock. Afterward, they dress him in an identical suit and let him go. However, Kotetsu's anus is still covered in cum, his dick is still caged, and his neck is still collared.