俺だけが使える、ユニークスキル〈異世界渡航(ムーンゲート)〉を使って、お金持ちスローライフを目指す――!
異世界に転生した主人公「アレン」は、ある日自分だけが使えるユニークスキル〈異世界渡航(ムーンゲート)〉が宿っていることに気づく。
その力を使って、アレンは日本と異世界を行き来して、娯楽に飢える異世界人や転移者・転生者を相手に、様々なのものを売って儲けていく。
そのうちに、大企業のご令嬢や異世界の王国の王女様と知り合いになったり、エルフの奴隷を手に入れたりと異世界を満喫していく……!!
Using the unique skill that only I can use, I aim to live a rich slow life! The protagonist, Allen, is reincarnated in another world and one day realizes that he has the unique skill that only he can use. Using this power, Allen travels between Japan and the other world, making money by selling various items to entertainment-hungry people from the other world, as well as people who have been transferred or reincarnated. In the meantime, he makes the acquaintance of the daughter of a large corporation and the princess of a kingdom in the other world, and enjoys the other world to the fullest…!!