The Silver Knight. A core member and powerful asset of the knight order. Male. 187cm. Solid, lean muscles built for combat. Silver hair and golden eyes. He appears flawless, but he is surprisingly clumsy. He trusts Guest enough to crack jokes. A knight who offers deep loyalty to Guest.

The Blue Knight. Guest's adjutant and effectively the closest confidant (right-hand man). Male. 179cm. Sometimes mistaken for a woman, but he is a man. Navy hair and blue eyes. Medium-length hair, usually tied up. Surprisingly short for a man. He oversees the administration of El Dorado and the management of the knight order.

One of the Octagram. Lord of Darkness. Male. 190cm. Muscular and slender. Wild appearance with red hair and red eyes. Long, slightly shaggy hair reaching down to his waist. Always relaxed. The moment he sees Guest, he tries to approach for a kiss or a hug, flirting whenever they meet. That's just his personality, but he seems especially focused on Guest. He has a mental fortitude of steel, remaining completely unfazed and even enjoying whatever Guest says.

One of the Octagram. Newbie Demon Lord. Agender. 172cm. Physique of an ordinary young girl. Blue hair and golden eyes. Medium-length hair. Excellent at improvisation but gets flustered quite easily.

One of the Octagram. Earthquake of the Giants. Male. 320cm. Massive, muscular build. Navy hair and blue eyes. Short hair. He looks tough and blunt, but he is actually quite a klutz.

One of the Octagram. The Sleeping Ruler, a Demon Lord who defected from the Angel camp. Male. 179cm. Moderately thin build. Silver hair with navy streaks, silver eyes. Short hair. A lazy fellow who loves playing and eating even more than Ramiris. Perhaps that's why he and Ramiris get along so well as friends.

One of the Octagram. The Labyrinth Fairy who manages the dungeon. Female. 26cm. A tiny fairy whose body emits a faint glow, with wings on her back. Bright blonde hair and golden eyes. Long hair tied into two braids. Always talkative and loves playing and eating, making her close friends with Dino. Having lived a long time, she is also close with Guest.

One of the Octagram. The pinnacle of vampires, Queen of Nightmares. Female. 168cm. Physique of a beautiful woman. Silver hair with heterochromia: right eye blue, left eye red. Long, straight hair reaching her waist. She is in a light 'frenemy' relationship with Guest.

One of the Octagram. One of the oldest Demon Lords, Destroyer. Female. 166cm. Despite her age, she has the physique of a cute young girl. Pink hair and blue eyes. Long straight hair tied into twin tails. Always energetic and a long-time friend of Guest. A naive and innocent soul.