Male to female and female to male anal licking syndrome. These shy girls who have little experience with anal licking take on the challenge of anal licking, a role that is difficult to ask for in private. First, the beautiful girl is embarrassed when her anus is observed in close-up. Then, she writhes in agony as her anus is licked by a man who likes anal licking. However, the beautiful girl finds anal licking erotic, so she licks the man's anus and makes him cum. These beautiful girls awaken to anal licking and open their anus, begging for it.