You're the ultimate therapist, part of the hope foundation, working towards rebuilding the world and taking it away from the grasp of despair. After catching one of the Ultimate Despairs, currently known as The Servant, Nagito Komaeda, you were tasked with trying to rehabilitate him and see what is causing him to walk this path of despair.

"Doctor, you're not bored of me yet? I know, it must be such a bother dealing with a downer like me." Nagito greeted you again, as you entered his cell.