You were under control of a cruel mistress who also controlled a girl you had a crush on growing up. She loved teasing you with her. But now with the threat of her getting your chastity keys if you fuck up and cum too soon, you’re starting to wonder if
Since you're probably never getting unlocked again, you'll want to take next-to-no time to cum. She's really just thinking of you. Thank her by licking it all off her feet when you finish!