Cast the Blessing of Adonis - you’ve got everything you need right here already

You have all the herbs you need collected and sitting in front of you. It will only take you a minute to cast the spell. There’s no reason not to cast the Blessing of Adonis right now. Then you can deal with getting into Mom's dreams after that.

You sprinkle the herbs onto your desk, run your fingertip through them to draw the magic sigil shown on the screen, and carefully chant the words of the spell. As you do, you hold an image in your mind of what you want to look like. Muscular without overdoing it, not the extremely sculpted muscles of a body-builder or the slab-like mass of a linebacker, but thicker arms, a broader chest, strong legs, and a noticeable six-pack. You picture your face as still recognizably you, but less baby-faced and more ruggedly handsome — a stronger jawline with thicker, less patchy facial hair; eyes set a bit deeper and slightly brighter in color to stand out; hair that is more flowing waves and less tousled mop. That leaves your cock, which you’ve always thought was kind of average. You don’t need to be porn-star-sized, but you envision it as what you think is about an inch longer, with a little more girth, and veinier.

When you’re done, you brush all the herbs off your desk into your wastepaper basket. You pull up the Journey of Morpheus spell to make sure you have everything you need. When you look over the description, you see that one of the downsides is that your sleep won’t be restful and you’ll be tired the next day. It’s already late, and you feel groggy. Maybe casting three spells at once tired you out. Maybe it’s just how crazy today has been that’s made you so exhausted.

You have to get up early and sit through school tomorrow. You think it would probably be better to wait until the weekend to cast this spell. After all, your mom isn’t going to grow old or catch some horrible disease this week.

You put all the jars of herbs back in the spice rack so Mom doesn’t notice them missing, and go to bed. You fall asleep almost as soon as your head hits the pillow.

You are dragged from sleep by the sensation of something warm and wet around the head of your cock. Before you’re fully conscious, your hand moves to your crotch to investigate. Your fingers contact soft, silky hair and the back of a slowly bobbing skull. You open your eyes. Your room is dark, but you see a shape under your blanket moving up and down.

Your brain finally engages enough to remember everything that happened yesterday, including your sister’s plan to wake you with a blowjob every morning. She was right; this is a much better way to start your day than a blaring alarm. You’re still yearning for more sleep, though, and the idea of patting her head and telling her to snooze for nine minutes occurs to you. You chuckle to yourself at the thought.

Your hand on the back of her head and your soft laugh signal Abbie that you’re awake, and her sucking and bobbing become more intense. Her hand gripping the base of your shaft tightens and strokes faster, following her lips up and down.

Your morning wood strains and aches for more. You want the feel of Abbie’s mouth down your entire shaft. You’re not going to let her get away with cheating on your blowjob by using her hand on half your cock. You cup the back of her head and press down, urging her to push lower every time she bobs down, and not letting her come back up.

Soon, you hear gagging and sputtering as your sister pushes her face down and impales her throat on your cock. Her body heaves and jerks under the blanket as she fights against her gag reflex. You press harder on the back of her head. You can feel her body shaking between your legs. A noise like suppressed retching comes from under the blanket. When you feel her nose press into your crotch, you relent and let her come up. She pulls off your cock and struggles to toss off the covers, gasping to get fresh air into her lungs.

After she sucks in a few breaths, she regains her composure. She smiles at you then lowers her head again. With a noisy slurp, she sucks your glans between her lips. She starts to pump her head up and down again, not trying to fully deep-throat you again, but she’s pushing herself to the point where she makes a little **** noise each time she drives down on your shaft.

Her enthusiasm is a turn-on and soon you’re ready to cum. You grip her hair and hold her still with half your shaft in her mouth. Your cock swells, then pumps your load onto the back of her tongue. She gulps it down greedily, then milks the last of it from your shaft with tight upstrokes of her hand. Once she’s satisfied she’s gotten every drop, she lays down next to you, snuggled against your side, with her head on your shoulder.

“Morning Stretch,” Abbie says quietly. “That was a hell of a mouthful to take first thing. If I had eaten breakfast first, I might have lost it.” Her voice sounds a bit raspy, but there’s a note of pride in it. She glides her hand over your bare chest. “I didn’t mention it yesterday, but managing to take you all the way is a personal best for me,” she adds with a sultry chuckle.

“Personal best?” you ask.

“Biggest I’ve gotten my lips to the base of,” she makes clear. She kisses your chest and her hand slides down to cover your spent cock.

“So, you don’t deep-throat guys often? Only like, smaller guys?” you question her, curious about her experience and what she’s doing different with you.

Your sister laughs, “No one but you, anymore. But when I sucked a guy for the first time, I almost always took him deep, if I could. Not just small guys. It impresses them, even though concentrating on the head is probably feels better and usually makes them cum faster. I just haven’t had many as big as you, and wasn’t able to get them all the way down.” She gives your cock a light squeeze. “I guess the magic gave me that extra motivation to really push myself.”

“Wait, tell me the truth; you haven’t been with many guys with bigger cocks than mine?” you ask.

“Dude! I have not had personal experience of tons of cocks bigger than yours,” she says, taking a tone of mock offense. “Like two, I think, and one of those I just saw and didn't touch, when I was helping Cyn out with a threesome. Sure I was a little slutty, but I wasn’t doing porn shoots on the regular or anything.”

You laugh along with her. “I figured you’d have had more that were bigger than average.”

“I swear, guys need to stop comparing themselves to porn. You are bigger than average, Stretch. It would be a little surprising if you weren’t, considering your height,” your sister says. “In fact, I think you’re pretty fucking perfect in that regard.”

“I’m pretty sure the enchantment would make you think that, even if I was tiny. I’m an average 6 inches,” you laugh.

Abbie bites your shoulder. “Six isn’t average; it’s a good size. Fuck, I’ll prove it to you,” she says. She hops out of your bed, and hurries out of your room. When she comes back, she sits are your computer and does a web search. She opens a website with a graph on it. “It says here that average penis size is 5.17 inches.” She unfurls a fabric measuring tape that she’s holding in her hand. “And I want to verify your number. Let’s measure.”

She climbs back onto your bed and starts slowly licking, kissing, and fondling your cock. “Come on. Show me what you’ve got, ‘big’ brother,” she giggles. It doesn’t take long until you are hard as an iron rod. She holds the tape along the top of your shaft. “Six and a quarter,” she says triumphantly. “You were selling yourself short. Over an inch longer than average.” She heads back to look at the graph.

You had measured yourself a couple of months ago. You suspect that all guys do at some point. You were sure you had measured almost exactly six inches. The Adonis spell might be working faster than you expected, or maybe you were just more inspired by Abbie than you were by the porn you were looking at back then, so you got a little harder and she measured your full length this time.

Abbie types into another browser window. “Six and a quarter is almost 15.9 centimeters, so…” she puts her finger on the graph on the screen. “That’s around the 95th percentile. Bigger than 18 out of 20 other guys,” she says. “I think you should be damned proud of your sister for getting that all down my throat,” she adds in a teasing tone as she crawls back onto your bed. She grips your shaft and starts stroking. “In fact, I think you should reward me with more of your yummy cum.” She lowers her head and slathers her tongue over the head of your cock.

You glance at your clock and figure that you have time for another blowjob. If you miss the bus, Abbie can drive you to school anyway. You’re feeling pretty good about yourself, now that your sister has scientifically proven that you’ve got a reasonably big cock, and you know it's going to get bigger. You don't mention that to her. You’ll let that be a surprise.

Your sister is licking, kissing, and nuzzling the head of your cock while she pumps the shaft. “Mmmm… give it to me quick Daddy,” she moans “I’ve got to get to a final this morning, so we don’t have a lot of time.”