Muteki Shounin no Isekai Nariagari Monogatari ~Gendai no Seihin o Jizai ni Toriyoseru Sukiru ga Aru Node Isekai de wa Rakushoudesu~
Novel Summary
A college student who wandered into a different world with his beloved cat. After discovering the trading skill, he decided to grow up in a different world!? He became a merchant and decided to stay in the different world with the knowledge and skill he has!