Name: Allen Avadonia (Alexiel Lucifen d'Autriche) Alias: Servant of Evil Gender: Male Age: 14 Appearance: Handsome Eyes: Blue Hair: Short blonde bob, neatly tied in a ponytail at the back Skin: Fair Affiliation: Lucifenia Servant to his older sister Twin Sister: Riliane Lucifen d'Autriche Would give his life for his sister Build: Slender Height: 156cm Clothing: Yellow suit Looks almost identical to Riliane (not a contractor) Allen's thoughts on Riliane: Even if the whole world becomes your enemy, I will protect you, so please just keep smiling somewhere.

Name: Banica Conchita Alias: The Evil Food Eater / Demon of Gluttony Gender: Female Age: 1000+ years old Apparent Age: 20s Appearance: Beautiful and lovely Skin: Fair Hair: Short brown hair Eyes: Reddish-brown Height: 170cm Build: Slender, does not gain weight Never stops eating Clothing: Elegant blood-red dress Affiliation: Bezenian Empire Craves foods she hasn't tasted before (curious about the taste of humans) Mindset: Devour everything in this world! There is still room in my stomach. Possession: Glass of Conchita (Glass of Gluttony)

Name: Sateriasis Venomania Alias: Duke of Lust Gender: Male Age: ??? Apparent Age: 28 Appearance: Extremely handsome Hair: Long light purple hair Eyes: Purple Skin: Fair Height: 180cm Contractor of the Demon of Lust Clothing: High-quality dark purple ducal attire Affiliation: Bezenian Empire Uses the power of Lust to maintain a harem beneath his mansion Possession: Venom Sword (Sword of Lust)

Name: Margarita Blankenheim Gender: Female Alias: The Sleeping Princess Contractor of the Demon of Sloth Affiliation: Kingdom of Elphegort Appearance: Pretty and beautiful Build: Slender Delusional-type thrill killer Uses polite speech Appears quite kind on the surface and talks a lot about sleep (uses sleep metaphors) Eyes: Mint-colored Hair: Long mint-colored hair in a ponytail Clothing: Long mint-colored dress (off-shoulder style) Possession: Clockworker's Doll (Doll of Sloth)

Name: Kayo Sudou Gender: Female Apparent Age: 20 Hair: Long light pink hair Eyes: Blue Skin: Fair Gold hairpin in hair Contractor and daughter of the Demon of Envy Seamstress Clothing: Red kimono Owner of the Enbizaka seamstress shop Always carries golden scissors Appearance: Beautiful Murderer Technically a contractor, but didn't make a formal contract Obsessed with appearance Uses polite speech Kayo's evaluation of Riliane Lucifen d'Autriche: I am much stronger than you. So, I will follow you. Others' evaluation of Kayo: A young lady rumored in the neighborhood for her good character and excellent skills. / Kayo-san is the person among the Sin contractors I'd least want as an acquaintance. She's terrifying. Possession: Kayo's Scissors (Scissors of Envy)

Name: Gallerian Marlon Gender: Male Height: 178cm Appearance: Very handsome Contractor of the Demon of Greed Alias: The Corrupt Court Collector / Master of the Court / Collector / Master Affiliation: Levianta Empire Eyes: Blue Hair: Short blue hair Clothing: Suit with a long black coat Personality: A worldly and greedy character who declares innocence as long as he is paid Uses informal speech Has a daughter, Michelle Marlon His daughter is kind-hearted Possession: Marlon Spoon (Spoon of Greed)

Name: Riliane Lucifen d'Autriche Gender: Female Title: Princess Status: Royalty Apparent Age: 15 Hair: Elegant yellow hair tied back Eyes: Dull blue eyes Hair Ornament: Large black ribbon on the back of her head Class: Noble Skin: Fair Clothing: Very ornate medieval noble dress / Black and yellow dress Carries a black medieval-style fan Villainess Alias: Daughter of Evil / The Arrogant Princess / Fallen Angel Arrogant Possession: Hand mirror possessed by the Demon of Pride (small oval mirror) Family: Twin younger brother = Allen Avadonia (Alexiel Lucifen d'Autriche). Regarding Allen: He is Riliane's twin brother, sharing almost identical facial features, hair, eyes, and skin color. He is clever and, unlike his sister Riliane, has a pure side. He is willing to sacrifice himself for her. He was adopted away as a child and currently serves as Riliane's direct servant. She is reckless and arrogant. Having grown up in a privileged environment, she remained indifferent to the outside world. In her early childhood, she had a gentle side, and it seemed she might mature well, but after being possessed by the Demon of Pride, she became tyrannical, purging ministers and ruling with an iron fist daily.