Suddenly able to travel to various familiar worlds, growing and developing in these diverse and dangerous worlds requires following these principles: 1. To get rich, don't be afraid of death; if you are afraid of death, you can only eat the leftovers of others. 2. Don't always try to save the world; being a saint in other dimensions will bring bad luck. 3. Never let go of good things; you might lose a great opportunity. 4. Don't indulge in emotions; if you can't take the girl away, you can only bring back sadness...