Rule Horror: I Make the Rules

[You have been selected. Complete the trial within 72 hours.]

Jiang Yan, a forensic doctor, is pulled into a trial arena: there are six rules, and exactly one of them is false. Believe the wrong one, and you die.

Everyone else frantically memorizes the rules and gambles with their lives. He doesn't bother. One glance is all it takes for him to spot the false rule, and he can even rewrite it to suit himself.

The rules kill people. He changes the rules.

When your name is called, whatever you do, don't answer. If you do, your name will be taken, and you'll never get out again.

The first rule he sets for himself is just four words:

[Whoever answers is the one who counts.]