Shounin Skill de Maoujou no Kouryaku wo Mezasu ~Isekai Tenishita no de Saikyou Item to Tookujutsu de Ikinuku to ni shita~

Aiming to Conquer the Demon King's Castle with Merchant Skills: Since I Have Been Transported to Another World, I Decided to Survive with the Strongest Items and Talk Techniques