Issei/Jaune:
FAllEN KNIGHT(by author)
Next prince of kouh(by male and female student)
Blond knight(by writer)
Preverts(by female student)
Faker( by traitor)
Disgrace(by arc family)
Demon stray killer(by devil faction)

Matsuda/neji:
White eye(by author)
Eye of white moon(by stray devil)
Shinobi guy(by Issei/jaune)
Bald preverts( by female)
Next second prince of kouh(by male and female student)

Motohama/Megumi:
Shadow sorcerer(by author)
Jujutsu sorcerer( by jujutsu society)(formerly)
Shadow assassin( by devil faction)
Stray devil hunter(by stray devil )
Next third prince of kouh(by male and female student)

Choose who have a best nick for them