[Machine Translation] Alex was thrown out of the country after acquiring a skill of unknown use, "the sea". When he learns that his skill is the ability to retrieve items from the sea through a mysterious door, he decides to become a merchant while living with his uncle, Theodore. But in fact, the power of the "sea" is not only that - for some reason, he is able to freely come and go inside other people's item boxes! Alex's slow life begins, making full use of the skills that are gradually being given extraordinary performance!