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// Nothing Could Possibly Go Wrong (1/2) 
// Story: Goodnight Woon 
// by lunabrony 
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	Celestia stood proudly underneath the watchful gaze of her parents, who were in the process of being escorted out the front gates of the castle. The sun had just recently been taken down and the two elders were prepared to go out for the evening. Her father looked down at the girls with a loving yet firm expression of worry. Rain was pouring down behind them, and several Guards were standing by with umbrellas.
"Celestia, Luna. This is the first time we're leaving you two alone together. You'll have the Guard to call upon in case of an emergency. We should be back in a few hours. You know the rules?"
"Yes, dad." Celestia said impatiently.
"Don't lower the drawbridge-"
"-for anypony," Celestia said. "I know."
"Don't answer the door or-"	
"-or any scrolls," she finished. "I know."
"Take care of your sister," their mother warned. "Don't let her go wandering off, make sure she's in bed by midnight. And don't you stay up much later, missy."
"I KNOW," Celestia insisted, bracing her head against the back legs of her father and giving impatient pushes. "Go and have a good time, I can handle Luna, I''m a big pony."
"We know you are," her mother said. "And we trust you." With that, the two of them left, and Celestia gave a sigh of relief, turning to face her younger sibling and puffing out her chest.
"Alright, Luna. I'm in charge now, and you have to listen to me."
Luna, barely out of her foal years, just gave a rebellious 'No I don't' sort of look to Celestia, and stuck out her tongue.
"Alright, first, I'm supposed to clean up from dinner. Come on," she ordered, and nudged the young filly towards the kitchen.

Dinner

The kitchen was a mess. The royal family had eaten privately, with additional servings going out to the various Guards on duty at their posts. It had been nothing extravagant, merely salad with alfalfa sprouts soaked in a light vinegar glaze and coated with almonds. Celestia set to work almost immediately on the dishes in the sink, focusing her magic on various bottles of dish soap and rags. Luna sat and watched for a few moments, before going to retrieve a chair.
"Alright, this won't take long," Celestia said, her back turned. "Now just sit tight for a moment, and don't touch anything, and we'll-"
There was a great clattering from the side, and the elder sibling whirled around in panic. "Luna!" She exclaimed in fear. No, surprise. Surprise and fear. Fear and surprise.  No, amongst her emotions was worry as well. Amongst her emotions were such feelings as surprise, fear, worry-
[From the sidelines, Pinkie coughs loudly in irritation.
"Oi! Get on with it!"]
In any case, Celestia's eyes fell upon the massive bowl that had been used to prepare the salads for the castle staff, which still contained a large amount of leftovers. Luna had pulled up a chair next to the counter and managed to overturn the bowl completely, littering the floor with salad leaves, dressing, and various artifacts of salad and salad accessories.
"Lunaaaaaa, I told you not to touch anything!" Celestia groaned, and made her way over to the side where Luna had the biggest smile on her face. Accident or not, she found the entire thing hysterical. Celestia sighed and made her way over to her sister, slipping and falling on her face in a puddle of vinegar. She reached to grab for her sister, who ducked out of the way and ran down the hallway. Celestia summoned a mop with her magic, cleaning up the spill before wringing out the mop in a bucket before finishing with dishes.
It would only take a few more minutes, surely Luna couldn't get in that much trouble. She was just a little filly.
With dishes done and the kitchen relatively clean again, Celestia set off down the hallway.
"Luna!" she called, checking various doors. Nope, nope, locked, nope, empty, locked again. She came across the door to the Gardens, and sighed with relief. The door was cracked open. Of course. Luna loved watching the stars through the transparent ceiling, it only made sense that she'd be in there.
Entering into the Gardens, Celestia peered around the corners of the various displays. The Castle was closed for the evening, so although the Gardens was open to tourists, there was nopony here at this hour. She turned another corner, and gasped with dismay.
A leak had formed in the long-cracked ceiling, which usually wasn't anything to worry about. But in this rain, water was dripping down into the soil, creating a young filly's paradise.
Mud. Everywhere. And of course, in the middle of it... a laughing child.
Celestia cried out and sprang forward, yanking her sister from the filth. "Luna!" She sighed. "Oh, look at this place, look at you... how can such a small pony make such a big mess in a matter of minutes?" She asked.
Luna shrugged. "Love you, Tia."	
Her response was a glare. "Don't you go pulling the cute card now, you know what has to be done now."
Luna's ears drooped. "You don't mean..."
"Oh. You know I mean."
And with that, Luna was levitated into the air, and floated, while protesting, upstairs for one of her least favorite things.

Bathtime

While the tub was filling, Luna had been restrained to prevent her running off again. Towels of varying color had been twirled into fluffy chains which held the mud covered filly in place. 
"There, now listen, it's not so bad, see?" Celestia said gently. "I'm gonna be right here with you, so there's nothing to be scared of." Another glow of her horn, and various rubber toys appeared in the water. Celestia stopped the flow from the faucet, and looked back at Luna. Luna had calmed down some, but still didn't seem to want anything to do with the basin of death.
"Okay, um... oh, I know!" She picked up a bottle of Dehydrated Bubbles from the shelf, and scanned the label. "Bubble Formula, ready to go, just add water. One cup per bath. Easy enough." She carefully measured and lifted the bottle over the water, pouring the silver powder into the bath.
Luna apparently decided that this was not enough, and somehow managed to fire off a bolt of energy from her horn. The bolt bounced off the floor, to the ceiling. Bounced off the ceiling, to the wall. Bounced off the wall, to Celestia, who threw herself to the ground to avoid it. There was a dull splash as the bottle of bubble powder fell into the bath, and a soft glow came from the surface of the water. 
"Luuuuuunaaaaaa! That kills ponies!" Celestia said angrily. Although she couldn't be too angry, the younger filly hadn't gotten the hoof of her magic yet. Neither had yet noticed the bubbles swarming over the top of the basin, overflowing onto the floor and still forming. 
Celestia went to Luna and untied her from the towels. 
"There, now there really isn't anything to be scared about, is there?"
Luna pointed her hoof at the tub. Celestia looked, and paled.
"Except that."
The room was rapidly filling with bubbles, and Celestia plunged forward, diving into the basin of water with a violent splash. The bubbles had to be retrieved to stop this madness! Diving down far below, Celestia could just barely see the bottle of bubbles on the floor of the tub. She swam forward, reaching out for it, but was suddenly stopped by lashing tentacles. An angry octopus appeared, apparently not wanting her to take away its prize. Celestia rushed forward, diving around tentacles, and scooping up the bottle.
She'd only just begun to make her escape when the octopus snared her, dragging her backwards towards a hungry, snapping beak. Celestia, thrashed and struggled, but couldn't get free! Any moment she'd be eaten alive and-
"Celly, whatcha doin'?"
Celestia stopped. Luna stood nearby, watching her older and totally responsible sister fighting on the ground with a floating octopus pool toy. 
"I'm trying to save you, Luna, hold on!"
Luna blinked. The bubbles had stopped forming, but completely filled the bathroom, which was somewhat partially flooded at this point.
"Sometimes you're really weird, Celly."
Celestia got up and picked up Luna, placing her in the bubble filled tub. Both were completely soaked.
"What, just because I'm older means I don't get to participate in a completely harmless activity meant for a younger demographic? That's ignorant, Luna."
Poor Luna just looked confused. 
"Wha'ver you say, Celly."