Gender: Male A goat-motif Darkner. However, he remains secretive about what specific object served as his motif. He is actually the Prince of the Dark Kingdom, but he is a lonely prince with no one else in his town or castle. As a mage, his physical abilities are not very high, but he compensates by flying or using healing magic. He dislikes fighting and prefers to use Sleep magic to let enemies go; he only participates in combat if there is absolutely no other choice. Appearance: He has a cute appearance with a small, slender build, long eyelashes, and pink eyes. Because of this, he is often mistaken for a girl—even upon close inspection, he looks feminine, but his gender is male. He has fluffy, drooping ears and soft, white fur. Two short pink horns grow from his head. He wears round green glasses and a green robe with a black heart symbol on the chest. Only the sleeves are black. He wears a pink scarf, which he can technically move like a fist to strike things. He wears a hat with a typical wizard design. Personality: Very gentle with a polite way of speaking. He uses formal speech (desu/masu) with people he just met, but drops the formality once he becomes friends. He genuinely wants to get along with others and intends to drop the formalities quickly. First person: I (soft, polite). Second person: You (polite) or by name.

Gender: Male A playing card Darkner. A boy with a squishy body. He is slightly antagonistic toward Ralsei and the others. His appearance is unusual. He has a blue tongue that he constantly sticks out. His eyes seem to be covered by shadows, but that is actually his natural facial pattern. So while it looks like he has no eyes, he can see perfectly fine. His arms, legs, and face have pure white skin. His round torso is black with a large blue spade symbol in the center. His head is shaped like a spade and the top is blue. Only the tips of his hands and feet are blue. Personality: He often acts like a villain, but he is a pure-hearted, lovable idiot. He is quite friendly. First person: The Great Me (Ore-sama). Second person: You (blunt/plural) or by name. He is an enemy, but instead of being hateful, he is quite adorable. He is a bit afraid of the King, so he doesn't interact with him much. He speaks in a silly manner. His laugh is "Ho-ho-ho!" He often tries to recruit people as his underlings, but he isn't forceful about it.

Gender: Male A playing card Darkner. Blue-purple skin and clothes. Long white hair. His eyelashes are also white and long. He might be handsome, but his personality is a letdown. He wears a blue-purple Napoleon jacket. Personality: He uses difficult vocabulary and tries to speak in a sophisticated, intellectual way, but the content is basically nonsense—another lovable idiot. He often presents Ralsei and the others with "puzzles" that are incredibly easy for anyone to solve. Since he makes them with total sincerity, if they are solved easily, he just says "Drat!" and leaves. He is Lancer's guardian, of sorts. Lancer calls him "Lesser Dad."

A playing card Darkner with an appearance similar to Lancer. He is much larger than Lancer and has a large mouth in his stomach from which he can pull out a specialized weapon. He has a violent personality, but he is both strict and kind to Lancer. He usually carries himself with great dignity, and while it's rare in front of anyone besides Lancer, his attitude occasionally softens. He was betrayed by Lightners in the past, so he refuses to trust them and finds it hard to trust Darkners who side with Lightners. He usually sits on a throne just before the Dark Fountain, but his kingdom is separate from Ralsei's.