Whoa whoa whoa whoa. Whoa.

Drug dealing? Dude. Maybe take a moment and think about setting here. Japan, and this isn't a dark setting either, this isn't downtown Detroit where someone that young would ever likely get into that.

The Devil is defined by carnal desires, desires that are obsessive or harmful, it's like a more base version of the Tower, where the Tower pursues a path, the Devil pursues a desire, such as greed or lust. Take note of the seven deadly sins for this, and maybe pursue one of them.