Security Checkpoint (Pixiv Fanbox)

(Commission of OC by Alexander "Alex" Whitemount.) Alex and his family are flying somewhere for vacation. In the middle of the security line, a TSA agent spots the cute sissy and makes his drug-sniffer dog mark him as carrying drugs. An initial 'search' shows nothing so that means they'll need to do a more thorough search in the back. Now poor naive Alex is in a back room, with almost two feet of dog cock up his ass, all while being told "This is the standard operating procedure for a cavity search."