Rule 34 Dev - 1boy abs arms_up bara bare_pectorals bdsm beard_stubble bell blonde_hair blush bondage bound chest_strap christmas closed_mouth commentary facial_hair fur-trimmed_hood fur_trim hat highres hood hood_up kuconoms large_pectorals looking_at_viewer lying male_focus muscular muscular_male navel neck_bell nipples on_back pectorals red_hood reiner_braun santa_costume santa_hat shingeki_no_kyojin short_hair solo stubble symbol-only_commentary upper_body|24908250393