Shadow the Hedgehog's daughter was captured and placed into Area Fifty-Something after he defeated Black Doom. What will she do?

I own my OC Marissa Grace Robotnik!

And plus, she has one red bang and her hair is Maria's but she keeps it up in a ponytail. She wears a leather jacket like Scourge's, think of her boots like Amy Rose's but it's hover skates like Shadow's. She also has a weapon like Gambol Shroud from RWBY along with Chaos Energy, she has one red eye and one silver eye. She can also turn human with her hedgehog ears. She has a eighth Chaos Emerald called the Prism Emerald which acts like her heart. She also own a Maria doll to keep her safe.

Again, I own my OC! Do not steal!

Nothing else except the plot!

Enjoy!

Shadow and Marissa walked the halls of the ARK after Black Doom's defeat and the truth about Shadow as they Chaos Controlled back to Earth where they were greeted by the sight of military soldiers with tranquilizers as they raised their hands behind their heads only for Shadow to push out of the way as the soldiers cuffed Marissa in Anti-Chaos cuffs.

"Wait! Why me?!" She shouted as they dragged her to the van as Shadow tried to reach out to his daughter only to whacked in the head by a soldier as she screamed for Shadow.

"Dad!"

Marissa woke up to find herself in a blank room with gray walls and nothing else as it slid down to a room with a table and chairs as she stepped forward into the light which cause her to squint her eyes at the brightness as she rubbed them.

"Where the hell am I?" She asked as skittering sounds were heard as she summoned a Chaos Spear but got nothing, she balled up her fists and waited for something to come.

"Who's there?!"

-skitter-

"SHOW YOURSELF!!" She shouted as she turned around to see a...guy with a cockroach head which grossed her out.

"Hello," He said as she shuddered and tried punching him but he has lightning fast reflexes.

"Madam!" He cries out.

She swung a punch at him, throwing him off guard as he ducked. "Stand still freak!" She shouted in anger as her red eye glowed.

"Please! Mercy!" She punches him in the gut as she pulled out a hidden dagger within her boot. She flipped it inside of her hand until she held the handle and nearly stabbed his hand.

"That is what happens if you mess with a G.U.N. agent." She cold whispered as she placed the dagger away and bumped into a fish ape creature as she balled up her fists.

"Whoa! Easy tiger!" He shouted as she punched his gut as well, causing him to fall to the ground holding his gut.

She flipped her red bang out her face as she placed her hand on her hip and walked away from the monsters.

"Stay away from me, and you won't get hurt." She hissed as General Abraham came to her before she looked back at them with a cold look that screamed 'monster.'

She walked away from them and with the man.

"WHAT THE HELL DO YOU MEAN 'WORK WITH THEM'?!" She shouted at the two generals as she slammed her fist down on the table, breaking the table.

She took in some breaths as Shadow rubbed her back which caused her to calm down from her outbreak.

"Marissa..."

"No, Dad. Mom wanted you to protect this planet, so you have to keep her promise for her and me." She looked at the ebony hedgehog as he nodded his head and crossed his arms across his chest.

"Alright, I'll help you but on one condition..."

They all listened to her...

"You let me have my weapons, and some of my stuff AND I get to help G.U.N. with the missions. Deal?" She stuck out her hand as Monger shook it.

"Deal." He said as Marissa got some of her stuff (including her phone) and the doll look alike of her mother which caused her to frown as she kissed the forehead of the doll.

"I'm here mom, I'm here." She let out the tears as she held the doll in one hand and placed it inside the box.

Shadow looked at his daughter as she hugged him tight with tears.

(—insert Cold by Casey Lee Williams—)

"Dad, I'll miss you, but I'll always be with you on missions." She whispered to him as he hugged his only daughter with tears. He hadn't cry since...Maria...

"I know you will..." He said as she walked over to the van and drove away from the house she lived in with her only family member.

She wanted to cry, but she never cried in front of anyone before—now she did.

"Why me?" She asked again before falling asleep.