Itsuki was bored in his kingdom, because Itsuki is very strong he is called a king, and he acts like a king, even though this city is not his, but he acts like it is. One of his guards enters the throne room looking at Itsuki, the guard tells the king that the games are about to begin, the king nods and stands up. The fighting game that has been held every year since Itsuki became king, the game of life and death that Itsuki has been watching.