passion writes the story (слэш)

He meets the boy three days later - Hanji does so love to engage in affairs that do not concern her, and works rather quick accordingly - and Levi can't help but think that she may have completely missed the mark on this one. The boy looks young, and though taller than himself, quite thin.
"There is quite a lot of ground here," Levi says unnecessarily, but the glimmer in the boy's eyes does not dim.
"Please leave it to me, sir," he replies, voice earnest, a look of determination setting over his features.
(AU where Levi is a seclusive writer, and Eren tends to his garden.)