Lev Andraste(MC):
- Used to be known as Saito Anzhong, transmigrated into the body of Lev Griffins, or recently known as Andrste, one of the "Major" Villains in the novel "How to Kill Demons Without Dying." But in reality, all Lev wants to do is retire in a peaceful world without having to deal with war and is always avoiding getting killed by the Protagonist of the novel.
Victor Gwyneira:
- The personal bodyguard and butler of Lev, has been with the Og. Lev since even before he was adopted by the Griffins' family. Ever since a moment in their younger days(Og. Lev and Victor), He's sworn to do whatever it takes to protect his master.
Arwan(ML):
- Lev's personal knight and protector of his ass. He is good friends with the Og. Lev and was saved by him, he got a crush on him from their interactions after that. Would do anything to protect his Liege, even if it meant torching a city.
Oryn Casilda(ML):
- The Duke of Kiano City, and a Distant relative of the King of the Quare Kingdom. He aids the MC in the chapters "Nights Hold Out" and is his partner in a banquet to celebrate defeating the enemies of that chapter, something happens then and he becomes very possessive of Lev afterward.
Asher:
- Oryns butler who is tired of his shit and wants to retire but his pay is too good.
Avery Scott:
- An illegitimate child of the Scott barony, she's taken in by Lev due to her story in the original novel. She views Lev as an elder brother figure, and is a genius in rune magic.
Roman Forutnata:
- The King of the Quare Kingdom, and someone Lev hates due to his(Romans) pettiness. He has a good sense of humor, but sometimes it's just his pettiness, like when someone tries to flee instead of going to a ball in his name.
Emeric Fortunata:
- The crown prince of the Quare Kingdom, and someone who has Lev's respect. He feels bad for Lev due to him having to deal with his father's pettiness.
Sapphire Laylani Terence:
- A mercenary that Lev meets in Asclepius City, she quickly becomes friends with Lev and doesn't care that he first told her a false identity. She was a dame before she had enough of her master's rough treatment, so now she works as a wandering mercenary taking any job that goes her way.
Diarmaid:
- He is the head butler of Lev's estate and one of the oldest people at the Andraste estate. Despite being a demon, he is quite peaceful enjoys his life in Zyon City, and finds his new master very amusing.
Eun Sim:
- The head maid of the Andraste estate and is the youngest head maid in the country, being only 22 years of age. She was originally from the Aislinn, but when the Yokai and beastman went to war, getting the humans involved, she's lived in the Quare Kingdom.
Ziven:
- A gardener and butler in the Andraste Estate, he has taken over the role of Avery's teacher ever since she moved with Lev over to Zyon City. He may seem bright but he's actually quite shy.
Alvaro Malyen:
- The captain of the Zyon City guards, and helps Arwan and Victor train when they don't want to train with each other. He has connections with the Quare Kingdom's royal guard, but his friend over there sees him more as a rival.
Brielle:
- She is a half-elf and the healer to the Andraste estate, she has a special ability that allows her to heal even those that live with dead mana.
Chobi Sakamoto:
- The guardian of the ports of Zyon City, she is a reliable person who is very strategic and sharp, especially when it comes to reading people