Danganronpa 2: Ultimate Luck and Hope and Despair

The events of Danganronpa 2 from Nagito Komaeda's point of view.

Hope's Peak Academy is a government-approved private high school that scouts "super high school level" students with superb talent from all over the country. But when 16 new students, including the "super high school level lucky student" Nagito Komaeda, arrive on the day of their entrance ceremony, they suddenly find themselves on a southern island called Jabberwock Island as a "school excursion" with some of their memories lost...

(Source: MAG Garden, translated)