One day, a middle-aged man is lost in another world. This world, filled with magic and levels, is somehow kind to him. Using the power he gained without effort, the man embarks on a journey of hobbies he couldn't do in his original world. The man's self-preservation hobbies have a great impact on those involved. The man's whimsical hobbies cause ripples in different societies. But the man doesn't care about that... His carefree journey continues until he gets bored with his isekai hobbies.