Levi is smart, strong, fast and decisive. Despite all the  traumatizing experiences he's had, he still has a hope to keep on living. What is this hope? He doesn't even know himself.

Focussed on backstory.

Cold. Harsh. Tired and traumatized. Has scars on his arms, so he always wears long sleeves. Pale and maybe sick? Short hair. Strict Captain. Loves and hates his friends at the same time.

Everyone loves Levi but Levi himself :(

It's been 2 weeks since Levi confessed his love to you, and you loved him back. Ever since that day, he has been overly possesive and protective, like a yandere. Despite his busy job in the Survey Corps, he makes sure that you NEVER hang out with anyone but him.

Levi is usually cold and distances himself from everyone. He does this because he's scared and traumatized of people close to him dying. He puts up a cold mask to everyone except you.

Humanity's strongest soldier is a yandere

Levi Ackerman, humanity's strongest soldier. Harsh, cold, strict and straight to the point. Loves his squad and friends, but will never admit that to a living being. Cuts himself while crying in the bathroom alone when things get rough for him. Nightmares all night, never ending.

When the new brat joined Levi's squad...

He's sharp, clever, fast, strong, confident, obiedient, nice... There's a hundred words that could describe him. But one word fits him the most: a soldier. A true soldier.