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Sunset slowly came to laying on a soft bed making her wonder if she's dead. She thought back to how she came to this point when she return back to Equestria. She had waited for the portal to open again and went through. But when she came home, she found herself in one of the vaults underneath the castle. She found herself trap in the vault which look to be nothing more then a storage room for magical items. The mirror closed behind her and she was trap in the vault which couldn't be open without magic. Which to her surprise she had remain human after going through the mirror. Leaving her unable to use any magic to free herself with only the light of the magic light on the ceiling to keep her company.

For days or weeks she couldn't tell, she was trap and no one could hear her banging on the metal vault door. She left claw marks and dried blood from her attempts to free herself. Not wanting to die she went through the vault contents opening chests, boxes, and other containers looking for anything she could use to survive. She found dried plants and bottles of liquids that are used in potion making. She ate and drank not caring what it was doing to her as the thirst and hunger push her to survive. She would wake up unsure what happen to her and the ingredients she consume did things to her changing her. She kept a log writing on anything she could write on just to keep herself from going insane. She had air thanks to the air vents which are all too small for anything smaller then a mouse to use.

As she was little more then skin and bones she decided to make one last attempt in freeing herself. She used what was left of the ingredients to fashion a bomb. She place the bomb where the hinges of the vault door where it should be the weakest. She grab the magic flame in a glass lamp off the ceiling after stacking many containers on top of each other to reach it. The light was her only source of light which would her alone in the dark of it didn't work. But she decided to make that risk and threw it at the bomb covering it in fire. Then it blew up and the force of the blast sent her into darkness.

"If I'm dead please don't let me wake up," Sunset said to herself as she closed her eyes and slept.

!

Celestia was besides herself with worry as she walk to her chambers where her former student slept. The guards alerted her to a explosion in the vaults. Hearing what vault it was she quickly race down to see what happen. That vault was where she kept the mirror her former student had escape into. She kept it there for safe keeping and only brought it out when it open to the world Sunset Shimmer escape to. Hoping that she would return to her.

What she found horrified her when she open the vault to see what happen. Inside was a sight that gave her nightmares. The door was covered in dried blood and scratches from someone trying to escape. With the remains of the bomb that alerted the guards and set off the alarm. The containers were all open, some pried open while others were just smash open using some makeshift tools. The potion ingredients that were kept were all used and from the smell someone was consuming them to survive for days or more. The mirror was place on what look like an alter where someone had prayed in hopes that it would free her.

Then she found her, in a pile of broken containers she was thrown into by the blast. The body was little more then skin and bones with filthy rags of what was left of her clothes. Her body was something that was like ponies but different and smaller. She didn't know she was a she till she was strip of those rags revealing her naked body to the doctors. It was her mane that she recognized of that of her former student, she knew it even as unkempt and dirty as it was. The blast had sent her into a coma combine with her already starved body.

After the doctors took her to the medical wing was when she found the notes Sunset wrote. Celestia read through all of them looking into her student's thoughts and how she came back. The mirror wasn't suppose to have reopen for another year but it did and Sunset didn't know how long she was trap there slowly dying from lack of food and water. She drank and ate the ingredients meant for potions just to survive and did things to her. She found herself hearing and seeing things that aren't there, her body felt like it was changing and so on from what she had to consume just to survive. And what she wrote about herself of what she thought about her former teacher.

Celestia found herself crying as she read over the notes. All this time, all this time she was wrong about what she thought Sunset had wanted. It wasn't being a princess that she wanted it was her. All she wanted was for her to see her as her daughter and not as a student. Sunset had acted out just to get her to spend time with her. She thought that if she became powerful that she would be seen as her daughter. But she just kept pushing Sunset away as she was preparing for her sister's return. And when she found Twilight and started paying more attention to her. Celestia was guilt ridden as she not only push Sunset away who only wanted to be her daughter, but also almost killed her by trapping her in a vault with no food or water. She had all the vaults check to make sure they're empty and having the guards place a motion sensor spell to alert them if there's any movement inside any of the vaults.

The doctors did what they could and now she could only wait for her student to wake up. She slept besides her holding her close at night not wanting to lose her again. And fed her by using her own milk to feed her giving her the mother's love she didn't showed her before. She had the unicorn mages research in what Sunset turned herself into with all the potion ingredients she had consumed. She wasn't a pony or anything else that she had ever seen, the closest thing the mages and doctors could come up with was that Sunset turn herself into some kind of an ape. Which they figured out by looking at her teeth, that also revealed that she can now eat both plant and meat. She is now having the mages do research to find out how to turn her back.

There's also something strange with Sunset as it wasn't just her body that changed but something else having to do with her scent. The ponies near her found themselves drawn to her after smelling her. After she caught some nurses surrounding Sunset bed, she had her place into her room. And the maids be protected from smelling the scent coming from Sunset with a spell. She is also effected by the scent coming from her student but it was overridden by her new found motherly instincts she now feels for Sunset. She knows what the nurses wanted to do to Sunset but seeing her skinny body clinging to life stop them. She has to remain strong as she doesn't want to hurt her... Yes she is her daughter. She didn't had any parents when she found her and she's the only mother figure that Sunset had ever known.

For the past two weeks she's been watching over her daughter as she slept in a coma. The nurses help in taking care of her as her body recovers on its own. She hasn't woken up yet but she has been moving as she slept and her body reacts when touch. She would hold Sunset who would nuzzle herself closer to her warm body. Sunset body would just curl up against hers as she slept next to her. And would suckle her breasts, drinking her rich milk like a baby would. Which the differences of their body sizes, Sunset was like a child to her. Sunset body only stood around 5'4" compared to her own over 8 foot figure just shy of being 9 foot tall. Sunset is so small and weak now, she isn't the young pony she last saw her as before. The body she has now is like a mare before she gain her cutie mark and she grows into adulthood. It made Celestia wonder if she is younger or around the same age when she first left. If that is the case she might be able to raise her as she should had.

She entered her chambers with her guards standing at their post outside her chamber. She had finish her work for today and made it known she doesn't want to be bothered unless it's important. Sunset was where she had left her still sleeping. The nurses had already put on a fresh adult diaper on her this morning. (1) Celestia walk over to her bed she now shares with Sunset, slipping off her white dress off of her as she did so. She laid down on the bed slipping under the covers and wrap her arms around Sunset and press her smaller body against her much larger one. Her dinner would be serve to her in her chamber. She simply wants to hold her daughter close to her and wait for her to wake up. She strokes Sunset's hair as she reminds herself that she needs a bath.

Sunset mumbled something as her face was press into her breasts. Celestia smiled as she slips her nipple into Sunset's mouth so she could have her dinner. She enjoyed the pleasure of having her daughter clinging to her and nursing from her breasts.

!

Sunset blink as she felt something liquid and tasty going down her throat. Her eyes widen as her face was press against some huge white soft and warm orb. She jerk her head away from it and saw what she was sucking on, it was one of a pair of breasts. The pair of breasts she was press against are massive. She never seen breasts like the pair in front of her, their shape was impossible for the size and there was no stretch or imperfection on either of the vast surface of the boobs in front of her. The two white mountains almost as big as her torso, squishing together as the body they're attached to is resting on her side. Feeling the breasts Sunset found them to be furred covered but for the area around the nipples.

"Sunset?" a familiar voice she hasn't heard in years spoke up.

Sunset look up between the two vast breasts to see... Celestia looking down at her between her huge breasts. The covers that were covering them was thrown off as Celestia sat up on the bed, revealing her huge body to Sunset. From what Sunset can see her body is slim but yet lean frame displaying all the right curves of a model. Her head looked similar to that of an equine but far more human in appearance. Large eyes a short more defined muzzle. A unicorn horn and mane that shimmered and slightly brightened the area around her. The mane that she remembers and face that is a combine of both the pony and human Celestia that she remembers.

"Princess?" Sunset ask wondering if she's dreaming.

"Yes my little Sunset its me," Celestia said smiling at her.

"No, I'm dead. I died in the explosion," Sunset said before she was wrap in her former teacher's arms.

"Sunset you went through so much. I read what you wrote in those notes you took of your time trap in the vault. I shouldn't have ever place it in there and I should have never have let you go. All you ever wanted from me was to be your mother," Celestia said as she held her close. Crying happily that she's now awake.

"This isn't real. I'm dead this is just a dream. Right now, I'm lying on the vault floor slowly dying, dreaming this. Ponies aren't anthro they're just ponies who walk on all fours," Sunset said.

"Anthro what?" Celestia ask.

"It means animals with human like features. Like minotaurs, having hands instead of hooves," Sunset said.

"Sunset we don't have hooves," Celestia said.

"I'm in some other world then. That is if, I'm not dead that is!" Sunset said.

"Sunset you're not dead," Celestia said.

"Yes, I am! I'm dead because you would never treat me like this! You wouldn't care about me like this. That you... actually... care about... me," Sunset shouted before breaking down crying.

"All you you wanted from me was for me to be your mother," Celestia said crying herself as she held Sunset.

"You're not real! Sunset shouted trying to break free from Celestia but couldn't.

"Sunset please stop. The chemicals and ingredients you drank and ate must have turn you into what you are now. Your memories must have been altered as well," Celestia said.

"No you're... you... would never...," Sunset sobbed.

"I failed you once my little Sunset. I won't ever do it again. You are my daughter. I should have told you so long ago," Celestia said holding her crying daughter in her arms.

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Author's Note

1 - Real life people do put diapers on people who are in a coma.

2 - Sunset ended up in a different world then the one she was suppose to go to.