Furlan's Kin: (Levi X Reader)

Furlan had a sister that was 1 year younger than him. (Y/n) was her name. The two have shared a strong bond that nobody could break. But on one night, the siblings were separated by force. Many years after, Furlan Church still kept that tragic event to himself while joining up with a thug named Levi Ackerman and later a young female Isabel Mognolia. While his sister accompanied into the Survey Corps. Both thought one and other was dead.

Until one mysterious night...