Season 1

Season 1 - This season is explicitly not canon as of mer’s statements, along with season 2.

This test season used characters from the already existing danganronpa cast.

The list being:

Hajime

Maki

Rantaro

Chihiro

Chiaki

Nagito

Kokichi

Hiyoko

Junko

Fuyuhiko

Ishirmaru

Tenko

Naegi

Mikan

— — —

The mastermind was Nagito, and user vg believes several joke relationships were held. Including one between Naegi and Hajime.