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 ～Shounin Skill de Maoujou no Kouryaku wo Mezasu ~Isekai Ten'i Shita node Saikyou Item to Talk-jutsu de Ikinuku koto 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 Ten'i Shita node Saikyou Item to Talk-jutsu de Ikinuku koto 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