|The Red Devil|
|Manga Chapters||Chapter 2|
|Previous Episode||The E Class and the Demon King|
|Next Episode||The Seductive Witch|
|Japanese||December 30, 2016|
|English||January 18, 2017|
|Ending||Seishun Satsubatsuron Remix|
The Red Devil is the second episode of the Koro-Sensei Quest! anime. It first aired in December 30, 2016
Class E tries to find Karma to persuade him into joining their class. But at first they couldn't even find him, and then he doesn't even want to join, so Class E tries their best to make him.
The episode starts with a summary about Kunugigaoka Magic Academy about how they ended up in Class E and how the Demon King began to be his teacher. Korosensei starts to talk about how they need new powerfull heroes in order to defeat Korosensei. Karasuma later arrives out of nowhere and starts metioning rumored three heroes that are very powerful. he starts by "The Red Devil" Karma that lives in the northern cave with unique and powerfull abilities, the second one is "The Evolved Mage" Ritsu with the abilitie of evolving shes magic on a daily basis, and the last one is "The Silver Berserker! Itona. Later Korosensei and Class E arrive at Karma's cave to begin their quest on finding him. Korosensei gives a stagedy book to each of them if any kind of problem happends around them that Korosensei has collected, Korosensei mentions that one of the pages had a smuttery monsters info sealed-up section and the last pages gad the information about dungeon of the "The Red Devil" and revealed Karma's weak point which is that he haves bad luck of |258. When Korosensei and Class E enter the cave they found all kinds of dangerous traps there, but for Korosensei was no problem with his incredible speed that he even added estra detailes to the traps. After Korosensei and the rest cleared the traps they found monsters...wait..no...Mushroom Kunudons and found surrounded of them, the monsters can't hurt Korosensei, but suddendly a Mushroom cutted Korosensei's hand revealing himeself as Karma, and was also the first charcter to ever hurt Korosenei. A bucket suddendly fell into Kamra activating a trap door which Karma fell. Korosensei starts punching the wall getting all angry because he got hurt by someone. When Karma climbs back on he later meet Nagisa that seemed that they knew each other for a long as chidhood friends, nagisa then tries to convince Karma in joining his party to defeat Korosensei, Karma rejects that ofer and suddendly activates a trap set for Korosensei tied to a net, and Karma later go a chance to stab Korosensei but found out that a Mushroom was there and not Korosensei. Korosensie reapears finishing a spring bath drying his hair; Karma gets pissed of and launchedhimeself on yo Korosensie to try to stab him but Korosensei grabs him and took of his clother sending him into a hopt spring bath, Karma gets all confused and tries to run away, but Korosensei starts to complimate him in joining the party to defeat him as a leader. They later return back to the cave , saying that he 'might' join Korosensei pust him uniform and giving him the welcome to the Class E.