Grayfia had to hold in her shiver of ecstasy at sucking her masters' hard-on with an audience. She blissfully closed her eyes to fully enjoy the twitching erection filling her throat. 'I don't think I can hold this much longer.' The maid kept herself back, knowing her role was to not give into her Master easily. However, his cock was setting her mind and body ablaze with lust.
Green eyes were now glossed over with her face gaining a large blush. Her breath was harsh and her hands unconsciously trailed up her luscious body. Watching Grayfia gag around his cock was making her so hot and it made him even harder to see Rias touching herself. A big grin stretched over his face as his cock stretched his loyal maid's tight mouth.
"That's real good, whore." Issei complemented, running his hands through her silver locks. "But I want those tits wrapped around me." He commanded. Rias was shocked when Grayfia, with some hesitance, sandwiched his cock between her melons and began to rub them along his shaft while licking what wasn't being pleased by her titty-fuck. Slowly opening her eyes, silver and brown gazed into the other lustfully, secretly showing hos turned on they were to have an audience who was slowly losing her mind to her desires.
Grayfia's body trembled in delight when Issei pinched her stiff nipples, helping her in her stroking of his tool. Craning her neck forward, she managed to suck even more of his member in and out of her tight throat. She soon applied more pressure against her chest and doubled her efforts, wanting nothing more than to have her fill of his jizz spurting into her.
"I'm going to cum, Grayfia." Issei announced while pinching his secret lovers' nipples harder.
Rias had been watching for the whole time and her hands were slowly yet firmly rubbing her chest and her eyes were shining in sinful desire to be between his legs, sucking him off. 'He's going to cum. He's going to fill her up with his dick-milk.' The princess thought lewdly.
Letting her tits leave his rod, she shoved her entire face down his tool and to his shaking hips that now thrashed against her face. Tears streamed down her lovely face as she tried to swallow all the release that seeped out of her lips and spilled on her boobs. While a little difficult at first, she had managed to catch her breath and swallow all the firing seed.
Rias simply watched in hot amazement at how much a normal human male could cum with just one shot. 'U-Unbelievable. How much would he ejaculate if he became a devil?' That one thought made the redhead cum a little. Her face lighting up and she sunk her teeth into her hand, hoping Issei and Grayfia didn't see she had already came from just watching.
Unfortunately for her, Issei did see it and internally grinned like a madman. 'The seed is planted.' He thought sneakily. Slowly, Grayfia let his cock leave her mouth with a loud lewd pop. Closing his eyes, he groaned loudly as he let one more shot of his jizz on Grayfia's lovely face. The beauty closed her eyes and enjoyed the heat of his batter. She slowly licked her lips for his viewing pleasure.
"That was good." Issei said in bliss. A smirk graced his lips. "While I would like to stay, I have to get home." Rias let a sigh of relief go, thanking whatever deity listened to her. "But we still must continue if you want me, Senpai." She narrowed her eyes on the brunette.
"Fine." She huffed. "But we are leaving tomorrow. It wouldn't be wise for you to just follow us so suddenly." Rias explained.
"That's why you'll just summon me with this paper that matches the circles around the room." Issei showed the paper he had saved from a few weeks ago.
It shocked Rias that he still had this. "That sounds acceptable. I will call you tomorrow night." She said, making Issei nod happily.
"I'll be waiting, Senpai, Grayfia-san." He purred out, making both beauties blush at his seductive voice. Standing up, he sent the two a wink and left with a soft click of the door.
Neither lady knew what to say. Rias because she was still shocked and angry that Grayfia had to please someone else because she couldn't. Grayfia couldn't because she still needed to keep up the act of being against this while, bit by bit, slowly becoming corrupted by her Master's cock in front of Rias. For now, she would continue to play the guilty wife who was doing this for her sister-in-law and play her usual stern and cold persona that Rias knew until the moment when she could embrace being her Master's bitch again.
"Don't worry about it, Rias." Grayfia finally said. She got up and used magic to fix her appearance. "Everything will be fine. If just pleasing him makes sure you don't have to go through with this and lose your purity to someone you don't love, it is a small price to pay." Grayfia informed with a small smile.
Rias teared up. "T-Thank you, Onee-sama." She hugged her sister happily. The princess never saw the sneaky smirk the beauty held.
Walking home, Issei had a giant satisfied grin on his face. "My plan is working just great. I'll soon have every sexy beauty under my control." He said to himself. Arriving home, he put on a smile and greeted his parents. "Hey guys." The teen greeted. "I've got some news. I joined a club and I'm going to be gone for a few days." Issei told his parents.
"That's great." His mother said with a smile. "It's alright if you can spend time away from those perverted friends of yours and have new friends." She said with a happy smile.
Issei chuckled at his mother. "You're right, Kaa-san." The brunette then sat down next to his father with their plates soon following. Thanking her, they dug in while making small talk about their days.
After eating, the son said he was tired and went up to his room. Opening the door, he was greeted to a wonderful sight. On his bed was his sexy Fallen Angel lover's wearing sexy bondage outfits. "Hello, Master." Raynare and Kalawarner said with seductive grins.
Smirking hungrily, he closed and locked his door. "What a wonderful treat. I hope you gave an excuse to not show up at the church. You two won't be leaving until you're in comas." Issei then tackled the two to the bed while hungrily kissing the two moaning whores.
The bedroom was soon filled with moans, shouts, dirty talk, and skin slapping. Raynare and Kalawarner were sure they wouldn't be able to walk straight or even stand without help for the rest of the night as unleashed all his desire he stored from the oral session he had with Grayfia.
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