Ginny spun back on her toes and positioned herself so that she was directly facing the Hogwarts Express, being careful to do so in a way in which nobody would be standing behind her as she swung Harry around her lower back.
The shrunken-down Boy Who Lived was confused by this action at first, he assumed when Ginny had mentioned keeping him inside of her clothes that she was talking about one of her coat pockets. She couldn’t have thought that nobody would see him if she simply kept her hand behind her back, could she?
Unfortunately for Harry, Ginny’s plan was a bit more thought out than that, she’d packed both of her pockets with magical sweets to help get her through the train ride. Chocolate Frogs, Exploding Bon Bons, and of course Bertie Botts Every Flavour Beans, so there wasn’t much space left for Harry in her pocket, and even if there was, she would have been nervous about her every step crushing him.
She needed to keep him somewhere safe, with natural cushioning for his protection, she thought as she flicked up the top of her skirt along with the tab of her knickers, revealing her pale moon to Harry as he came to understand Ginny’s true intentions.
Unfortunately, he realized this too late to stop her as Ginny released her grip on Harry and allowed him to fall into the back of her undergarments, sliding along the floor of fabric towards the youngest Weasley’s gigantic bottom. Her massive rear quickly growing to encapsulate his entire field of vision up till the moment he made contact with her warm skin, signaling to Ginny that Harry had reached the perfect position for her plan.
For Ginny, that simply meant releasing her skirt and knickers, allowing them to rest properly against her skin. However, for Harry, this meant being forced into a position where he was hugging Ginny’s rear, trapped behind her enormous butt crack.
Unfortunately, it didn’t stay that way for long as Ginny adjusted her clothes and proceeded onto the train with Harry in tow, stifling a laugh as she realized she was boarding a locomotive and that Harry was hitching a ride on her caboose.
Ginny’s cheeks rolled Harry back and forth between them as she walked up to the train, each fighting for control over Harry as she hopped over the partition to board the Hogwarts Express, the train magically signaling that all students had officially boarded on the one-way trip to the school.
After Ginny made her way off the platform she began walking down the cars as the doors closed behind her, passing a group of older girls along the way, chattering amongst themselves. They appeared to be in Harry’s year at Hogwarts, maybe even a year older. She wondered what they’d think if they knew she had the school’s most famous young wizard pressed firmly against her bottom.
Would they think it was funny that he was helpless to defend himself, trapped inside the knickers of a new student, or would they think she was weird for electing to drop him back there in the first place?
Either way, she didn’t allow herself to linger on these thoughts for long as she pushed her way through the next train car, which had filled with returning Gryfinndor students. Instantly she felt right at home, as if it were where she was meant to be, slipping into an unoccupied compartment coach and pulling the blinds for privacy.
“Okay Harry, sorry to drop you back there without a proper explanation, I just couldn’t think of a better place for you at this size. I hope the arrangements are comfortable for you.” Ginny said aloud, grabbing one of her cheeks, which had the unfortunate side effect of slamming it into Harry as he was unwillingly dragged a little deeper into the Weasley girl’s butt crack.
“Ginny, let me out of here right now. I have to find Hermione. She’ll know what to do!” Harry yelled, defiantly struggling to escape from Ginny’s rear. An action she accidentally brought to a grinding halt with an unintended clench of her cheeks as she felt Harry suddenly begin to move.
“Terribly sorry for that Harry, I’m not used to having you squirm around back there, I ought to have you out by nightfall if you can behave yourself for a few hours.” Ginny apologized, looking around the cabin and realizing that she couldn’t very well stand for the next few hours on the ride to Hogwarts.
“Please, do try and make yourself comfortable while I do the same,” Ginny announced, swinging her bum above one of the cushioned benches on either side of the coach.
Harry didn’t like the sense of immediacy in the young girl’s force as he felt her body turn, hoping that it wouldn’t mean what he imagined it would, unfortunately as Ginny began to bend at the knees her glutes engaged and smothered Harry’s puny form between them as the fiery-haired girl fell into her seat with an audible sound that filled the otherwise silent cabin.
*WHUMP!!*
Ginny’s cheeks sprawled out in every direction, with little place else to go as Ginny tried her best to remain calm, doing her best to ignore the fact that she was currently SITTING on Harry Potter. But it wasn’t like she could have let him loose, all it would take was one student to barge in without knocking and the whole train would know that Harry had been shrunk. And worse, they might assume that she was the one who’d done it.
Couldn’t let that get around, she’d never make any friends at Hogwarts. Best to keep Harry under wraps for the time being. She thought.
What happens next?
1. The train arrives at the school and after changing into her robes Ginny undergoes the sorting process with Harry stuck between her buttcheeks.
2. Hermione knocks on the door before entering, recognizing Ginny as Ron’s sister and asking if she’d seen Harry Potter anywhere. Ginny comes clean and pulls Harry out of her knickers after Hermione uses a charm to lock the door. But will Hermione be able to restore him?
3. Ginny is still worried about hurting Harry, so she pulls out one of her school books and searches for a spell to help him. And while she doesn’t find a spell to restore height, she does find a charm to make him malleable so he can’t be crushed. Unfortunately, this only makes him more vulnerable to the whims of her rear.