[ NDRV3 SPOILERS | THIS IS NOT A CELESTIA X OUMA FANFICTION!! ] Deceived in a Fictional Parallel World - Vitae Mendax is about Ouma Kokichi, the Ultimate Supreme Leader, as he is mysteriously sent to the world of Danganronpa 1; Happy Trigger Havoc. But upon his puzzled and sick awakening, he is confronted by Celestia Ludenberg, the Ultimate Gambler. Confused by the mess, Ouma tries his ultimate best to return back to his own world whilst dancing in the Gambler's hands. But what if returning to his own world... Is all for nothing? What if everything was 'fake'?