Trading Game (Yu-Gi-Oh! ARC-V SI) TG

When you get reincarnated in another world where the main entertainment, and also source of all human suffering, is a card game, what do you do? Why sell them of course! You need DP to actually buy food after all, and what better way to use the shop system than to sell them on retail in a much higher price? Because that's exactly what she's doing!