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

商人スキルで魔王城の攻略を目指す～異世界転移したので最強アイテムとトーク術で生き抜くことにした～ / Shounin Skill de Maoujou no Kouryaku o 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