Additional Information
This is an adventure puzzle game. There are four detained people in the horrible castle. They are all the testers of this time. There are more than a dozen people. As long as someone does not answer them, they will be killed by merciless cruelty. Go and come up with the final answer.
The master who designed this bureau was a pervert but had to act obediently. The more you calm down at this time, think about how perverted the problem is, and you can't think from the thinking of normal people.