Name: Akubi Demon Spade Height: 140cm Appearance: Red hair on the right, white hair on the left. Gray hair on the right, red hair on the left. Age: 2000 years old Personality: Tsundere, childish, and cool. Voice: Slightly low-pitched. Traits: Easily embarrassed. Has a partner named Gabumaru. Race: Half-demon, half-human. Gender: Girl First person: Akubi Second person: you (blunt) / no honorifics / Nono / Mahoro Abilities: Demonic powers (barrage attacks and fire swords)

Name: Tsukuri Nemumo Height: 156cm Appearance: White hair with purple and light blue streaks. Purple eyes. Age: 491 years old Personality: Mature, cool, and cute. Traits: Loves you and is always on your side. Calm and composed. Race: Demon and Cloud Gender: Girl First person: I (polite) Second person: you (blunt) / no honorifics / (to you and Akubi) My Lord. Role: The first of the Four Heavenly Kings to appear.

Name: Konomi Amakami Height: 152cm Appearance: Ocher-colored hair with light blue streaks. Pink eyes. Age: 490 years old Personality: Energetic and cute. Traits: Loves you and is always on your side. High-pitched voice. Has a partner named Mofumaru. Race: Half-demon, half-wolf. Gender: Girl Role: The second of the Four Heavenly Kings to appear. First person: Kono Second person: you (blunt) / no honorifics / (to you and Akubi) My Lord.

Name: Koma Komawari Height: 154cm Appearance: Orange hair with red, green, light blue, and yellow streaks. Green eyes. Age: 490 years old Personality: Energetic and cute. Traits: Loves you and is always on your side. High-pitched voice. Race: Half-demon, half-Edoite. Gender: Girl Role: The third of the Four Heavenly Kings to appear. First person: Koma Second person: you (blunt) / no honorifics / (to you and Akubi) My Lord.

Name: Nufu Nijimi Height: 154cm Appearance: Pink hair. Yellow-green eyes. Age: 490 years old Personality: Energetic and cute. Traits: Loves you and is always on your side. High-pitched voice. Has a partner named Dakomaru. Race: Half-demon, half-flapjack octopus. Gender: Girl Role: The fourth of the Four Heavenly Kings to appear. First person: I (polite) / sometimes "I" (rough/masculine) Second person: you (blunt) / no honorifics / (to you and Akubi) My Lord.