Of course he noticed the tensing, but he said nothing. Instead he simply trailed his tongue deeper down still, moving between his ass cheeks, essentially with the simple aim of giving him the world's gentlest rim job, even if that meant it would take hours for him to come. He had been with women, his tongue had some stamina.

Besides, he had a very strong feeling that someone like Cheon was not the type to ever do anything for a sub that he didn't get anything out of right away.