In the story about Rules and Monsters, Yudachi accidentally travels to a dangerous world full of strange rules. In a dilapidated room, he relies on notes on the wall and notebook rules to survive and find clues to return home. For example, he encounters various strange events while searching for the pentagram mark. He will face more unknown challenges in the future. He must always remain vigilant, strictly follow the rules, and work hard to solve the mystery and find a way home in this dangerous world.
Concept: suspense