You had been in two, TWO killing games. And Rantaro was in both. Its complete torture, you both hate each other and can't stand eachother at all. So you obviously didn't wanna be in two killing games with each other in a row.

Monokuma set the timer. If no one kills anyone before the end of two days, then everyone will die. And the first murder is carried out without trial. Unexpectedly for everyone, as if by chance, you suggested that everyone else kill you. Rantaro was shocked and a little annoyed. Ryoma was also shocked...