A polished knob

I crawled over to Master on the couch and began licking his softening cock clean. I didn't like the taste, but he liked that I was doing it, which meant that I liked doing it for him. I also wanted him to be hard again so I could swallow his cum. So I worked a finger into his ass to rub his prostate as I sucked on his by now soft and clean cock. It didn't seem to be working, so I upped my game. I pulled out my finger to replace it with my tongue. My tongue was buried in his ass, my nose was buried in his balls, and my eyes looked up at him lovingly and with burning desire as I stroked his cock. All I could taste was ass, all I could smell was balls, and all I could see was an incredibly sexy man who I loved dearly. He laid his head back and closed his eyes to enjoy the moment, and a few minutes later he was hard again. But I didn't stop, I kept going until his hips began to buck. Knowing he was going to cum soon, I jerked him off faster as I extricated myself from his ass and wrapped my lips around his cock. When I began licking his cockhead, it sent him over the edge and he came in my mouth.

"Thank you for the cum Master," I said lovingly.

"You've done well tonight, but I still can't take your chastity belt off. Technically, to be on pace to complete the challenge, you need to suck me off and swallow something like 2.08 fresh loads of cum every day. Since you've only done 2, you're not on pace. But that rimjob was great so I'm feeling generous. A new rule: If you're behind by less than 1 cum load, you can swallow any leftover cum from our sex and round up so that you're on pace."

"Leftover cum?" I thought puzzled. Then I felt the plug in my ass and realized what he meant. If I ate his cum out of my ass, he'd round my cum count from 2 up to 2.08, and then I'd be allowed out of the chastity belt. I could just suck him off 3 times tomorrow and then I'd be ahead of schedule. But he might not let me. I could suck him off in the morning, and then he'd want sex when he gets back from work, and then I could suck him off a second time. But he might not want another blowjob before bed. And then I'd be out of luck till the weekend. Hmmm. Well, he probably wanted me to do this at least once, or he wouldn't have made up the rule. That sealed it, and I removed the plug from my ass and looked at it. It was white with pearly cum. I put it in my mouth, sucking all the cum off.

"Good girl. I'll take the chastity belt off, then let's go get cleaned up"

I was finally free from the belt for the foreseeable future. But something much more powerful was still serving the same function. His desire to deny me orgasms combined with my love and devotion to him to form a metaphorical chastity belt over my pussy. He didn't want me to touch it, and so I wouldn't.

Just as I had thought, I couldn't get him to let me swallow his cum 3 times a day. 3 orgasms a day seemed to be his limit, and one of those was reserved for my ass. So for the rest of the week, we continued our routine. One wake-up blow job, one anal fuck as soon as he got back from work, a combined blowjob/rimjob afterward, and finally I'd eat a load of cum from my ass. It was so degrading that it only counted as 0.08 loads of cum. But I don't care how degrading it is, I love him. And I want to stay on track for my orgasm in 8 months. Besides, I was planning on trying to get 3 real cum loads from him on Saturday and Sunday. Then I'd easily be ahead of schedule until next weekend where I could do the same.

3 months later

Disaster struck. I was kneeling and waiting for Master in the entryway as usual. But I was far hornier than usual. The hormones from the pregnancy were driving me crazy. My pussy was absolutely dripping as I fantasized about sucking his cock. My fantasies and, unfortunately, my hand drifted towards my pussy. I imagined him coming through the door and being unable to resist my pussy. In my imagination, he pinned me down and fucked me like he had on our wedding night. I let out a moan as my fingers caressed my clit for the first time in... well I couldn't remember the last time. But that one stroke was all I got as Master chose that exact moment to come home.

He had seen my hand on my pussy, and heard my moan. He knew what I was doing.

"Oh honey, I'm sorry. You were doing so well."

"You're not mad?"

"No, I'm not mad," he said as he went to the closet to get the chastity belt. I still felt terrible that I had failed him, and I must have looked pretty sad about it too because when he returned from the closet he softly wrapped his hands around my cheeks and pulled me in for a loving kiss. "Hey, I love you, and I believe in you. You can still earn your orgasm, you'll just have to find a way to suck me off an average of 3 and 1/3 times per day since you're starting from scratch"

Damn, he's good at mental math. He locked the belt back on me and we resumed our routine, only now I had no hope of catching up to my original schedule until it was over. On the bright side, every 2 days I could eat the cum off my buttplug after sex and earn 2/3 of a cum load. But I had no idea how I was going to swallow enough to earn my orgasm in only 5 months.

But luckily, soon after that, my husband received a promotion at work and moved to full-time work from home. His extra income combined with the fact that I was now 4 months pregnant, we decided I should quit my job. The additional benefit was that I now had 24/7 access to his cock. I embraced my new life as a stay-at-home wife. My new routine was to wake him up with a blowjob and swallow his cum, then make him breakfast while he showered. We'd eat together, and then he'd go to his office. Around noon I'd bring him his lunch and suck him off under his desk while he ate. I really loved doing that, it made me feel like a naughty secretary. Then after work, we'd do our normal fuck and suck before dinner. And every other day I'd swallow any "leftover" cum to earn the extra 2/3rds of a cumload I needed to complete the challenge in time.