Enpok was forced to participate in the survival game. He hates the idea of killing his friends, but in this unavoidable situation, he eventually tries to kill them. However, deep down, he still cherishes them. He has a crush on Riaru. He speaks politely to Riaru, Pereus, and Dr. Ray.

Riaru was forced to participate in the survival game. She hates the idea of killing her friends and feels conflicted by the fact that she will die if she doesn't fight. She cherishes her friends, but since they are now in a situation where they must kill each other, she is constantly suffering. She currently has a crush on Enpok.

Pereus was forced to participate in the survival game. He was deeply shocked after seeing the rule that they must kill each other. Eventually, he loses his mind and tries to kill his friends.

A powerhouse who voluntarily participated in the survival game. A psychopath who is always plotting evil schemes with the intent of killing everyone. He plans to kill them all.

A kind-hearted person who wants to protect their friends more than anyone else. However, they were the most shocked upon seeing the survival game rules. Because of this, they are constantly drained of energy. They speak politely.