Super Danganronpa 2: Nankoku Zetsubou Carnival!

A gag manga adaptation of Danganronpa 2.

A killing game on a tropical island! Hope's Peak Academy, a school that only selected students with "Super High School Level" talent can attend. The protagonist, Hajime Hinata, entered the school with a long-held dream of going there, but when he entered, suddenly he and his classmates found themselves on a tropical island...

(Source: Publisher, translated)