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 ～

One day, Sota, a university student, is abruptly summoned to another world! Mistaken for a hero, he’s swiftly imprisoned in the Demon King’s Castle, facing a dire situation. Using his quick wits, Sota manages to escape trouble—only to unexpectedly solve a rather embarrassing issue for Fafnir, a stunning demi-human! Now, as he wins over the hearts of the demi-human girls residing in the Demon King’s Castle, Sota sets his sights on an escape. Thus begins a fantasy romantic comedy where Sota’s natural charm and savvy lead him through a world like no other!