I Inherited a Mountain and Sea B&B

A Yu inherited a mountain B&B from a distant relative, who asked him to continue running the B&B for at least ten years. Ayu moved the cat into the mountains without thinking. On the first night, Ayu rescued a little gecko from the cat's claws. In the evening of the next day, a young man came to apply for a job. A Yu asked him: What is his specialty? The young man said: Repel mosquitoes and guard the house. Later, Ayu found out that this was a mountain and sea B&B. It is the place where monsters enter the world and the last stop for people to die. Intention: Go to the mountains and seas