The Diaper Spell

Twilight chased after Celestia. "Princess, I can't do these studies! There's much too little friendship in Canterlot! It's crazy! And I can't focus with you constantly peeing yourself!" Twilight shouted the last part angrily, strapping a diaper to a shocked Celestia.  "Now, I'm going to get Spike, and then I'm going home!". She trotted home and packed her bags.

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Pinkie's hoof ran softly over Spike's member, tickling it and making Spike tremble as he shifted his member into Pinkie's vagina. Pinkie was extremely pleasured by this, and as a result, moaned loudly as she orgasmed. The rush of fluid onto Spike's member caused him to do the same. They both lay on the bed, weakened, panting, and wet. A knock on the door. They both froze, and silenced. "Spike, it's Twilight. We're leaving. Pack your stuff." Twilight huffed. "J-Just a second!" Spike called. "I-I'm in th-the sh-shower!". "Hide!" he whispered to Pinkie, who nodded and slipped away as Spike washed off and packed his bags. "Leave when you're sure we're gone, I'll meet you back in Ponyville. We can work something out from there." he whispered to a hiding Pinkie, who again, nodded.

Spike hopped onto Twilight's back, and they caught the train home. "Spike, today we're taking you to the doctor's. We need to find out why you can't control your bladder. It's getting ridiculous, and you know I can't keep changing you forever! On that note, your diaper is soaking wet. Now I need a bath." Twilight said flatly, bucking Spike off her back. A shocked Spike wet his diaper, and this time, the diaper couldn't  hold it and it puddled on the floor of the train station. Twilight clicked her tongue and her horn began to glow. "No, wait! Not in public! Please Twilight, I'm begging you! Not in public!" he begged, but Twilight ignored him and changed his diaper, to his obvious embarrassment.

They trotted home in silence to unpack before heading to the doctor's. Then Spike remembered something. Pinkie Pie! Where was she? Did she get home safely? Spike hoped so. Twilight plopped Spike onto her back, and they began to walk to the doctor's office. Spike really had to use the bathroom right now, and he had forgotten to tell Twilight before he left. Then, before he could even try to control it, he had wet his diaper.

Twilight rolled her eyes, and changed him. When they finally arrived, Spike sat on the table, and the doctor walked in. "Doctor, I have no idea what's wrong with him! He can't control his bladder at all! What in Celestia's rule is wrong with him?!" Twilight questioned. "Hmm, by the sound of it, he's incontinent. Just continue to use the diaper, there's no cure." he answered. Twilight was NOT happy.

As they walked home, Spike didn't speak. "Spike, I don't know if I can keep doing this forever. If you want your diaper changed, somebody else is going to have to do it for you.

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Pinkie peeked out from under the bed. Was it safe? Pinkie thought so. She crawled out, trembling. She tiptoed out of the room, slowly making her way to the train station. Halfway through Canterlot, she realized she was lost. Before she knew it, everything was black. When she woke up, her front and back legs were tied together, and she was on a table. The stallion snickered as they left the room.

"Pinkie Pie! Is that you?" asked a familiar voice. "Rainbow Dash!" Pinkie yipped. "Where are we?". "No idea, but I've been here for a week. They feed me and give me water, but they don't let me use the bathroom. I either have to wait or wet, but wait always ends in wet anyway. As for poo, I refuse to just poo like this. It's disgusting. I haven't pooed in a week. I'm desperate, but they said if I hold it for another week I might get to use a hole." Dash rambled.

Suddenly, Dash's face screwed up and she wiggled around in her restrains, tears welling in her eyes. "It's really hard to keep it in though. I don't know how much longer I actually CAN keep it in.". Pinkie nodded sympathetically. "Well Dash, I haven't pooed in a week either! Somebody at Cocoa Puff's party broke my toilet! And I can't wait any longer!" Pinkie chimed, and began to push a log out. Her logs landed with loud PLOPs on the table.

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Twilight bucked Spike onto the floor. "I'm going to bed. Goodnight." she said flatly, walking to bed. At that exact moment, Spike wet his diaper.