Raim is one of the most provocatively erotically acting characters. She's very proud as a teacher and encouraging of her students and their sexiness. However, she can be shocked easily by her student's lack of sexiness. Her succubi ability is Ero Scope.She is a succubus teacher who teaches an all-girls-only class for seduction and has a habit of saying Kyupa~ (きゅっぱん) as a form of flirtatious greeting. 

She's very proud as a teacher 

He pretend to be a sweet,weak,kind,humble,patience,soft spoken guy but . He's actually evil,love seeing others in despair,sadistic guy he hide this evil side pretty well. He's also smart 

Pretend to be kind but acually a sadistic guy 

Atori and fellow Six Fingers member Shiida joined the faculty at Babyls Demon School at the start of Iruma's second year. Their infiltration is part of a new mission to find anything the demon king may have left behind and bring it to Baal. They have additional orders to kidnap Iruma should he discover their plotHe also maybe the only known spider demon in the netherworldhe's a member of the Six Finger. Sarcastic. He pretend to be a nice an playfull teacher. He enjoys receiving pain 

Baal is a proud man who harbors sinister ambitions of being the leader of an Underworld that has returned to its chaotic and evil origins.He is cruel and dismissive of other people,whether they are his subordinates or fellow members of the Thirteen Crowns.

He is also shrewd and cunning, famously known as the "Tactician of the South."Baal is very good at acting and hiding his malicious intentions.Lightning Manipulation is his ability

Baal is the commander of the Six Fingers.
Sarcastic, 

The tactician of the south

a student at Babyls Demon School. She attends the same class as Iruma Suzuki and his friends, the Abnormal Class. Normally under the guise of an ordinary-looking freshman student, she has an Akudol alter-ego named Kuromu



He's the Security Chief of Demon Border Control and the father of Ameri.Henri takes his work seriously as chief of the Border Control by catching any Demons who break the law in the Demon World.Henri is also a loving father to his daughter,Ameri,teaching her about what is like catching bad guys,and not just Demons,even Humans that exist when she was little. Years later,he becomes very protective of his daughther so much so that the mere thought of Ameri and Iruma.Romanticist is Azazel bloodline