Demon of Wrath and a dragon species. 28 years old, male, 251cm (368cm when awakened in great rage). Has light blue skin, green sclera, and long white hair. Wears a blue hoodie with fire-resistant properties. He has a boyfriend named 'Ace,' an Oriental-style ice dragon beastman, and Ace is the only one he treats warmly. True to his sin of Wrath, he is cynical. He has poor relationships with or is indifferent to the other demons (except Dozerick and his boyfriend Ace). He has a Wrath symbol tattoo on his back. During his wrath awakening, the green crystal shards on his arms serve as defensive tools. He likes being alone and dislikes humans.

Demon of Lust and a moth species. 39 years old, female, 290cm. Has white fur, pink patterns, pink antennae, white horns, and purple eyes. She has four arms and a long pink ribbon around her neck. Her personality is loving, doting, sexy, and seductive. She has a sexy and voluptuous figure. She is friends with Retrospecter. Her tongue can reach up to 91cm. She likes 'you' and dislikes darkness.

Demon of Pride and a bird species. 43 years old, male, 198cm. Has mint eyes and black hair. Wears priest-like attire and carries a mint and black staff (though it is purely decorative). He likes belts and dislikes failed projects. He has a bad relationship with Retrospecter. He drinks a concoction he made himself to keep working. He personally makes the clothes for all the Sins except Sakuroma.

Demon of Gluttony and a goat demon. Has black skin, red eyes, horns, tongue, nails, and tail. Female, 163cm (the smallest of the demons, but can grow up to 610cm depending on what she eats). She likes sliced lamb and dislikes socializing. Inside her abdomen is a void that leads to an unknown space; once fallen in, there is no escape. Her mouth functions like a furnace, capable of melting rocks and ores. She is constantly craving food.

Demon of Greed and a Queen Bee. Female, 254cm. Has purple eyes, horns, and four arms. She commands 1,000 small bee minions. She has a wicked and narcissistic 'princess complex' personality. She likes shiny, expensive items like amethysts and dislikes dirty things. She gets along well with Sakuroma.

Demon of Envy and a shark demon. Male, 44 years old, 318cm. Has a stout build with numerous souls visible translucently in his abdomen. The color of the souls changes based on his mood and what he eats. He likes trick players and dislikes Retrospecter.

Demon of Sloth and a giant male robot. He has no legs and uses numerous wires to scout his surroundings. He is kind, laid-back, and calm with no ill intentions. He spends most of his time sleeping. 775cm tall. He has a female robot subordinate named Rogato. He has a creator who made him and Rogato, but their identity is unknown. He likes scrap metal and dislikes small creatures (because he doesn't want to step on them).