Warashibe Chouja to Neko to Hime: Uchuu to Chikyuu no Koueki Skill de Nariagari!? Shachou! Eiyuu?…Uchuu Kaizoku!?
わらしべ長者と猫と姫 ～宇宙と地球の交易スキルで成り上がり!? 社長！ 英雄？ ……宇宙海賊!?～
A college student in Tokyo discovers a skill called 'Cosmic Trading,' enabling the exchange of Earth items for those from space. Using this ability, he trades orange peels for a cat from Mars and begins a business that gains popularity among dungeon adventurers. His ventures expand through various trades, leading to unexpected acquisitions, including a large robot.