Chapter 3 - made bet with bro now sister need to blow (R18+)

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Chapter 3

The next morning, I waited until both our parents were out to work, then went to knock on Faith's door. She didn't answer. After one more try, I just opened it, but she wasn't there. She wasn't anywhere else in the house, either.

Annoyed, and with a morning hard-on, I phoned her. "What do you want, Mark?" she said. She must have known it was me from the display.

"Where are you?"

"I'm at Sally's house. We're going to listen to music."

"I'm sure that sounds like fun," I said, "but I've got a boner and want a blow job."

"What? That's not fair."

"Sure it is. The bet was that you'd give me a blowjob every time I want one. Not every time I want one and you happen to be home."

"So I'm supposed to be ready every time you..." she didn't finish the sentence. I could hear others in the background talking faintly, so she was probably worried she would be overheard.

"That was the bet you agreed to. Don't blame me, blame Samuel L. Jackson."

The other line was silent for a long time. "I can't believe you're making me do this."

"Quicker you get over here, the quicker you'll be done. I'll be waiting for you in your room." I hung up. I was being a jerk, but I really liked the idea of having her at my beck and call. This deal wouldn't last forever, so I thought I'd better exploit it while I could.

She came up to her room about five minutes later. Sally only lived just up the block and across the street. She shook her head at me and said, "Come on, whip it out, I want to go back."

"I don't know," I said. "I might not be in the mood anymore. But I might be in the mood in an hour..."

She sprinted over to me and pushed me back, but she had a playful expression on her face. "You're lucky I'm doing this at all. I should go tell Mom and Dad on you." But from her look, I had no worries she actually would. That never happened anymore. By an unspoken agreement, we handled our problems ourselves.

I gave up the pretense of disinterest, though, since I really did want the blowjob, and pulled out my cock. She really seemed to want to rush this job, but that had the effect of making everything she did filled with more enthusiasm, although she slowed down halfway through to pull out her phone when it began vibrating. She stopped moving her head to read from the display and, without taking her lips off my cock, typed out a text message reply. I would have loved to have read that one. "cn't tlk now, sucking bro's cock". When she finished replying, she went back to a more intensive sucking. I tried to hold out as long as I could, but pretty soon I had to tell her I was ready.

She didn't pull off this time, just kept sucking until I finished cumming. I'd miss seeing my sperm all over her face, but imagine it running down her tongue and down into her belly was a great substitute. "Wow, Squirt," I said when I was down to dribbles. "You're getting better at this. You actually swallowed this time."

She pulled her mouth off and wiped the corner of her lip wih the side of her hand. "Shut up. I just didn't want to get it all over my room. Or to have to take a shower." She stood up, dusted off her knees. "Now I just need mouthwash."

"What, you don't want to go back to your friends with cock breath?"

She smiled a little. "Not really." She put her hand up to her mouth and breathed in, then smelled it. After making a face, she said, "You're not going to be calling me back here throughout the day, are you?"

"I don't know..." I said, letting an exaggerated amount of uncertainty into my voice, then I cracked a smile. "Tell you what, since you did such a good job this time and swallowed like a good girl, I'll wait until you come back on your own."

"Thanks," she said, and went into the bathroom.

When she was finished gargling, I met her again in the hallway. "Hey, was it true what you said about swallowing cum being good for the skin?"

I shrugged. "Wikipedia says it is." Wikipedia said no such thing. But if she called me on it, I could just say somebody must have changed it.

Whether she believed it or not, she swallowed my cum that night too, without any complaint. I made it last a long time, too, mostly just lying back in my bed and staring at the ceiling as she sat beside me, slurping down my meat. I figured I'd pay her back for the text message stunt and phoned my buddy Fred. It distracted me a little and made me last longer, and I got a big kick out of it, but I cut the call short because I didn't want to cum on the phone to a friend. It's just rude.

"I could get used to this", I thought as she sucked on my shooting prick. I was going to have to make blowjobs appear as a regular part of wagers if she wanted to get into stupid arguments with me. Maybe I could even get more than that. I'd have to find the balance between what she might do if she was confident, and what would just make her back down no matter what, but now that the precedent had been set, it was only a matter of experimentation. She left and, as she almost always did, retreated first to the bathroom and then to her room, where she played music.

The next morning, she was in her room, so I pointed to my cock and she got right down to it. She was getting better at it each time, and though last time I'd complimented her, I wanted to try something else, see if I could get her to try harder to please me. "I don't know," I said. "I'm just not feeling it."

She picked up speed and began to use her tongue more, so I had to think about this squirrel I hit with my car a few weeks ago to keep me from going off. "You know what might make this go faster? If you took your clothes off. Gave me something to look at."

Faith pulled her mouth off my dick to look at me. "Mark, you're not supposed to see me naked. I'm your sister."

"When you're giving me head, you're not my sister," I said, "you're just a good place to bust my nut. I might as well see some pussy while I'm doing it."

"Shut up, you're such a freak," she said, but took my cock back into her mouth and resumed sliding her tongue underneath it.

It was worth a try. I really wanted to see what she looked like naked. She didn't have much of a body, but I didn't need one to make me happy. Despite my best efforts to hold off, pretty soon I was blowing another freshly brewed batch of ball-juice into her belly. "Nice job," I said. "Want to make me some breakfast?" She gave a disgusted snort in reply and left.

I don't want to give you the impression that I'm a total jerk, or that me and my sister hated each other. I am a bit of a jerk, but Faith and I have always been a little antagonistic. It's just our way, since we were kids. We insulted each other and made fun of each other, but we both knew there was love underneath that. Why, because of the blowjobs, I was even nicer to her than I usually was. I willingly gave her and her friends rides in my car a few times, like I would have had to do if I won the bet. I wouldn't have done that before, waste my gas money like that, but I figured it was the least I could do. A good blowjob is worth a little gas money.

Maybe I was a total asshole for putting her through that at all, forcing her to regularly suck her own brother's dick... but I didn't beat myself up over it, because I had a theory. After almost every blowjob, if she didn't have somewhere to be, she'd lock herself in her room and put the music on. At first I thought she was just angry with me, but when I put the music on and locked my door, a lot of times it just was because I wanted to masturbate. I didn't want anybody to hear the rhythmic sound of my chair or bed shuffling in time to my hand movements, or a little groan that might escape my lips, and the music covered that.

I had a vivid image in my head, that after sucking me off, she ran to her room, and rubbed her little pussy. I hadn't seen it, at least not as far as I could remember, but I could imagine her rubbing a pink little clit on a hairless mound, remembering what she'd just done. She always seemed in a better mood after she finally came out. So that became what I told myself, to push past any bad feelings, that she secretly enjoyed it as much as I did. I convinced myself that my sister was as much of a freak as I was