Earning it

This is a shorter story.  I did not focus a lot on character development and skimmed over some of the "back story" and went more on the end of it.  Enjoy.
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Steve had been locked in chastity since his daughter was born. His wife, Lisa, was his key holder and let him out twice a year, his birthday and their anniversary. Their daughter, Nicole, was growing up and often say her dad with the chastity belt on. When she got old her mom explained it in more detail to her.

When Nicole was a teenager she started to tease her father more and more, with her mothers encouragement. Soon she was given the second key to her dads chastity belt. She wore it on a necklace like her mom did. Steve would have to put up to his wife and daughters tortures.

Steve had not been released for over six months when his daughter came up with an idea for a game. Every month he would be unlocked and given the chance to orgasm. Nicole told the details to her mom first who loved it and wanted to start right away.

Lisa and Nicole started to explain the details to Steve. First, he would spend two hours giving oral sex to each of them. After he would be unlocked and numbing cream would be rubbed on his penis. Then two condoms would be placed on his penis. He would then get to have sex with either his wife or daughter.

They decided that he would have six tries before his lock up was permanent. Each try would be timed and as it went on, the time would be reduced. First would be three minutes, then a reduction of 30 seconds for every time after. The order of sex would be his wife the first time and then his daughter.

Lisa and Nicole each stripped off their clothes and had Steve give them numerous orgasms. After, his daughter unlocked her dads chastity belt and his cock got rock hard once it was free of the cage. She started to rub his cock with the numbing cream and put the two condom on. By this point Steve could barely feel anything on his cock. Lisa was bent over the bed waiting for Steve to start.

Steve put his numbed double condom cock in his wifes pussy as Nicole started the count down. Steve was thrusting as hard as he could, but could not feel thing. Lisa, on the other hand, could feel everything and was in bliss. Nicole was counting down the time, calling out every 30 seconds.

Nicole did a 10 second count down to the stop of the time. When the time ended she grabbed her dads balls and pulled backward forcing him to stop and pull out of her mom. Steve had tried as hard as he could, but did not cum. He could not feel a thing on his numbed and double condom cock.

Lisa relocked Steve in his chastity belt and wished him better luck next month. Too tease him more, Lisa and Nicole were going to stay nude around the house. As the month went on, Steve was leaking precum and his cock was as hard as it could get in the cage. Lisa and Nicole laughed saying that it had the chance to cum and did not.

The next month arrived and Steve was performing his oral sex on his wife and daughter. Once he was finished, Lisa unlocked him and number his cock. While she was putting on the condoms, she told him that he might have a better chance since Nicole had a tighter pussy. Nicole was on the bed waiting for her dad.

Steve put his numbed double condom cock in his daughters pussy as Lisa started the count down from 2 minutes and 30 seconds. Steve gave it everything he could and was trying to cum as his wife was counting down the last 10 seconds. When the time was up, Lisa grabbed his balls to pull him out. Nicole relocked him and wished him better luck next month.

As the last month approached Steve was dripping precum constantly, his cock was pushing the cage in all directions. Lisa prepped Steves cock with the numbing cream and double condoms. Nicole was waiting for her dads last chance to cum. As Steve started, Lisa began the count down calling out every second.

At the end Steve did not cum as his wife grabbed his balls to pull him out. Nicole was thrilled to be locking her dad up forever. They put the chastity belt back on Steve and told him Nicole would do the honors of making it permanent.

They had another key for a different lock that fit inside his lock but did not unlock it Nicole took some industrial adhesive and put in on the inside of the lock where the key goes. She took the bad key and put it in the lock and showed Steve that it did not work on his lock.

With a quick twist of her wrist she snapped the key off, leaving part of the key in the lock. Now the wrong key was stuck in the lock with no where to grab it to pull it out and it was also glued in. Nicole took a little more adhesive and put it on the top of the broken key sealing it in the lock. When she was finished, Lisa and Nicole both gave him his old chastity keys saying they are his now.