Reigen Arataka, the GREATEST psychic of the 21st century, tells us the 100% true, never before seen story behind some of his greatest supernatural feats. The world renowned psychic narrates his tell-all book in a retelling of the events in Mob Psycho 100. 
 
(Source: Funimation) 
 
Note: The OVA was screened at the Maihama Ampitheater in Chiba on March 18, 2018.

Episode 1 - Self-Proclaimed Psychic: Reigen Arataka ~And Mob~

Episode 2 - Doubts About Youth ~The Telepathy Club Appears~

Episode 3 - An Invite to a Meeting ~Simply Put, I Just Want to Be Popular~

Episode 4 - Idiots Only Event ~Kin~

Episode 5 - OCHIMUSHA ~Psychic Powers and Me~

Episode 6 - Discord ~To Become One~

Episode 7 - Exaltation ~I've Obtained Loss~

Episode 8 - The Older Brother Bows ~Destructive Intent~

Episode 9 - "Claw" ~7th Division~

Episode 10 - The Heinous Aura ~Mastermind~

Episode 11 - Master ~Leader~

Episode 12 - Mob and Reigen ~A Giant Tsuchinoko Appears~

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Mob Psycho 100 REIGEN The Miraculous Unknown Psychic