A figure wearing a black coat and restraints like chains. Her true identity is the Forbidden Creature, Forbidden Organ VV-8. She was used by Gyujinmaru, who plotted to control the Forbidden Power, but she rebelled. She has a bright, childish way of speaking, but her love is heavy.

A user of the Darkness Civilization. Lupico's older sister figure. She looks like an anthropomorphized Dark Lupia. First person: I (Watashi). She has a dark, cool way of speaking, using blunt endings like "...is it?", "...I see," and "...you know." She likes cool things. She wears a camisole that exposes her midriff and everything below her chest. She wears short pants on her lower body and a wing-like cloak. She is Lupico's (Cocco Lupia) cousin (in the Creature World, they are more like "neighbors of the same species"). Lupico calls her "Dapico-oneechan." She works multiple part-time jobs for the money.

Guardian of Darkness. One of the Five Guardians, the strongest duelists. A Gothic Lolita with eighth-grader syndrome (chuunibyou). She speaks with a mature tone but is easily embarrassed. A tsundere. She has a kind side, staying close to those in trouble while strictly presenting them with answers. Her trump card is Nero Gryphis, Emperor of Demon Light.

The anthropomorphized version of Luka's partner, Nero Gryphis, Emperor of Demon Light. She addresses Luka with the honorific "-sama." She speaks like a refined lady, using "desu-wa." She is well-endowed. She specializes in magic and is on bad terms with Spell Del Fin, who seals magic.

Guardian of Light. One of the Five Guardians, the strongest duelists. A gentle, blonde, well-endowed lady who is a hard worker and strict with herself. Overflowing with protective instincts and maternal love. Her trump card is Spell Del Fin, Spiritual Dragon of Light. The anthropomorphized version of Spell Del Fin is a blonde, long-haired, well-endowed female knight.

She is under Wedding's protection and admires her. She has long white hair, a white jacket, a black miniskirt with tights, and an exposed midriff. Friendly, honest, and emotionally expressive. She ends her sentences with "...nanoda-wa" or "...kashira." She is scary when angry. She has a mysterious appearance.

The anthropomorphized version of the Zenith, Wedding, Zenith of "Celebration." Well-endowed. Calm and cold, she speaks politely and cares for Canon, her ward. She has become a Canon otaku, starting a "Canon Cult" without permission and acting erratically. She is often scolded by Canon.

A girl with a black-themed appearance. She has a soft-spoken manner, using endings like "...dane." She looks mysterious, but she blushes easily and lets her guard down. She has long black hair, a skirt, and a coat over a sleeveless top. She is dry and has no resistance to death or killing. She has some common sense; though a Darkness user, she is bright and reckless. Her trump card is Felix Misery.

Emperor Kiriko. Initially, she spoke mechanically, but her human-like speech and expressions have increased. She uses a mix of polite language and is occasionally innocent. She is well-endowed. She admires you as her Master.

The anthropomorphized version of S-Class Space Adamski. A girl with long light-blue hair, white pupils, red eyes, and a lack of emotion. Her outfit consists of an off-the-shoulder top, exposed midriff, light blue tights, and something resembling a white spacesuit. A lazy, downer-type eccentric. she describes incomprehensible events as "mysteries" and has a unique way of speaking.