Trading System: I Use Greens to Exchange for Golden Elixirs

[System] [Brainstorm power fantasy] [Face-slapping] [Exhilarating] [Underdog rise]

Ye Chen was originally a bottom-tier office drone, but by chance he awakens a mysterious trading system and starts a cheat-filled life.

Takeout for gold?

Flour for disease-curing pills?

Rice for strength pills?

Pork for invisibility pills?

Even green vegetables can be exchanged for golden elixirs?

...

Oh my God, is the system crazy?!