Levi and Riaville

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Levi pointed to his notes and said something, but Eren wasn't listening.

He was staring at the omega with lust in his eyes. Levi explained something, before he glanced at him.

"Eren? A-Are you listening?"

Eren blinked out of his stupor. "Uhh... yeah?"

"Then what was I t-talking about?" Levi said, crossing his arms. He puffed his cheeks in indignation but it just made him look cute.

He glanced at the notes.

"Uhhh... circumferences?"

Levi narrowed his eyes but nodded his head reluctantly. Eren smirked. He leaned closer to the ravenette and then lifted his chin.

"Hey, Levi~," he purred. "There's something else I want to do besides studying."

Levi blushed furiously and then opened his mouth to say something when there was a distant door slam.

They both froze.

The pungent smell of a furious alpha filled the hallways. Levi slipped off the bed and disappeared, just as Mikasa slammed the door open.

"Eren! I have had enough! Why are you dating that omega slut? I'm better than any omega you'll find!" She hissed, stomping over to loom over him.

Eren froze.

Where the hell was Levi?!

However, he redirected his thought process. "Mikasa, calm down. Why the hell do you care? You're my adoptive sister, and you can't change my mind."

Mikasa grit her teeth, and clenched her fists. She trembled and then a sob came out of her throat.

Eren jumped. "Huh?!"

"I-I... when you saved me from those m-monsters... I loved you so much. You became my world, so Eren, why would you leave me——?!"

He stood up and hugged her. "Hey. Didn't I tell you? Unless you start fighting, you'll never survive. So stop crying. The world won't stop because of your tears," he murmured as he stroked her black hair.

She sobbed and held him close. Eren sighed, and comforted her as she cried into his arms.

Levi was silent as he laid there underneath the bed.

No one knew he was there. He was sure that even Eren had forgotten he was there.

He knew why he was down there. He just knew what he had to do.

He could finally understand the reasons why Mikasa was so determined to hurt him.

She had formed an attachment towards the alpha that had saved her. She had no romantic feelings for him, she just wanted to keep the man she considered her only family for herself.

All Ackermans were like this after all.

They had to have a host...

Levi blinked his strange grey eyes and got comfortable. He twitched at the dust under there, and shuddered.

He raced out of the bed, standing up as he cursed noisily.

The two siblings looked at him in shock as he furiously dusted himself off.

His gray eyes snapped to Eren's with a furious light. "Eren! Your bed is disgusting! Get a towel and a bucket, we're cleaning your room!" He growled, pointing a finger towards the amused alpha.

"H-Hai, Levi." Eren said, and then dashed off to get the needed items as Levi ranted about the many advantages of clean environments and ways to clean.

Mikasa was silent and a little angry that Levi was just ordering around Eren, but somehow, she felt a bit of herself forgive Levi as Eren came back with a happy smile on his face when he saw the yelling omega.