Golden years

!! Warning hardcore smutty yaoi !!
Levi is four years older than Eren and they were family friends from a young age. In this Au, Levi and Mikasa are brother and sister and Eren is an only child, he and Levi pretended they were married as kids but Eren was heart broken when he met up with Levi four years later, to find he was a selfish and gloomy twelve year old who treated Eren as a kid. Eren is then mad at Levi for years until they meet up again as teenagers and feelings start to change between the two. This story shows how Eren and Levi's relationship changed as they got older and the drama that fills their life when they have to adapt to each others changes and broken promises they made as kids...

^credits to artist^