The Voided Heart - Sub!Leonardo X Reader

Awakening

Donnie slammed the defibrillators onto (Y/N)'s chest, sending an electrical surge through her nervous system. She shot up from her bed with a gasp, eyes wide open, but still the same. Up until her fingertips to her hands turned to a paler tone than her skin color. She looked down at them, then up at joyful and relieved Donnie.
"You... crazy... genius..." She mumbled as the black substance rolls up her arms. The tall turtle chuckled.

"I can be if I needed to." He said, setting the tool aside.

She smiled with her eyes. Her hair stopped floating and turned back to her (H/C) locks, and the void rolled down her face to her feet. She was back in her (F/C) (W/C), but something else changed. Her skin was wayyy paler than her normal skin tone, and a beauty mark was left on her right cheek.
"Oh boy, you look dreadful..." Donnie mumbled, also noticing the bags under her eyes.

"I do feel... that way, too..." She said with a weak and hoarse voice. Her arms hugged herself as she trembled. "I feel... cold..."
Like the sweet little caretaker he is, Donnie pulled the covers from under her and put it on her shoulders.

"Leo would be so jealous if he was awake..." Donnie muttered with a smirk, staring at the ground. (Y/N) heard him mention his name.

"Is Leo... okay?" She asked. He frowned at her.

"He's alright." He responded. "I bet you miss him dearly."

"I admit... I do..." She blushed, looking away.

"You wanna see him?" He asked.
She looked back to his hazel brown eyes and nodded, then attempted to get up from the bed. She was shaking, giving Donnie a sign to help her up, and so he did. Putting a hand under her arm and holding her waist, he put the same arm on his shoulders and held her hand. She looked up at him again and smiled weakly, and he gave a sad one back. They walked out the bedroom and into the bathroom, where Leo lays in a deep trance.

Seeing him like this made her gasp, at all the scars and cuts on his plastron, and that his blue eyes that were once shining in pride and courage were closed by the curtains of his eyelids.
"I was there... I should have helped him back there..." She whimpered. "It's all... my fault..." Donnie saw the regret in her tinted (E/C) orbs and frowned again.

"What are you talking about?" He asked.

"I let him get mauled... I should've been helping him... instead of trying to end HIM..."

"Look, even if you did try to help Leo, you'd have no chance against the Shredder. And you would've never found out about this." He tried to find words that could cheer her up.

"I wish I never knew... I had this power..." She stared at the ground again.

"Hey, look at me." Donnie demanded, and she reluctantly did. "You gotta know that there are things you can't control sometimes. You can't go back in time and fix what happened, because it wouldn't make life interesting. You're making our family stronger, (Y/N)."

She took a little bit, then nodded with a faint feeling of inspiration. Donnie smiled and lets go of her, about to leave the room. "Now I'll be in the barn to continue making Leo's medicine. Raph might wake up soon, so you can go to him if you need help with anything." She nodded, then sat down next to the stool.

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A couple of hours of watching over Leo has passed, and she heard footsteps behind her. She turned in her seat to find Raphael standing in the doorway. His eyes looked a tad cheerful, surprisingly.
"Wow, you've seen better days." He commented.

"Screw you... Raphael..." She mumbled with a smirk. He sat on the stool beside her.

"But hey..." Raph puts a hand on her shoulder. "Glad you're not a piece of void anymore."