Danganronpa 2: Goodbye Despair

Danganronpa 2: Goodbye Despair (スーパーダンガンロンパ2 さよなら絶望学園, Sūpā Danganronpa Tsū: Sayonara Zetsubō Gakuen) is a visual novel adventure video game developed by Spike Chunsoft for the PlayStation Portable and PlayStation Vita. It was first released in Japan on July 26, 2012 and in North American and Europe in 2014. It is the second installment in the Danganronpa series, and a direct sequel to the 2010 game Danganronpa: Trigger Happy Havoc.

The story follows a group of high school students who are trapped on an island by their high school's headmaster Monokuma, a sentient stuffed bear. In order to leave the island, a student must kill one of their peers, and not be caught in the subsequent investigation and trial.

https://en.wikipedia.org/wiki/Danganronpa_2:_Goodbye_Despair