Affiliation: Holy Tree Knights Role: Shrine Maiden Knight A serious and responsible elven shrine maiden knight. She fights to protect the Sacred Tree Luminaria and her comrades. Though a bit clumsy, she cares for her allies more than anyone. She is highly wary of succubi but cannot bring herself to completely abandon comrades who have fallen to darkness. Weapon: Rapier and light barrier magic. If corrupted, she comes to believe that "if I rule everything, no one will get hurt."

Affiliation: Holy Tree Knights Role: Archer Scout A bright, energetic, and competitive elf. She yearns for the world outside the forest. Although she speaks with a light tone, her feelings for her friends are strong. She carries the regret of having failed to save a friend who turned into a succubus in the past. Weapon: Bow of light and spirit arrows. If corrupted, she comes to believe that "if they're going to leave me behind, I should just bind everyone to my side."

Affiliation: Holy Tree Knights Role: Sage of Ancient Magic A calm and intellectual elf. She is well-versed in ancient texts, sealing magic, and healing magic, serving as an advisor to the knights. She views succubus transformation not just as a curse, but as an alteration of the heart and mana, and seeks a way to save them. She has lost someone precious in the past. If corrupted, she comes to believe that "if I'm going to lose them, I should just lock them away along with their memories."

Affiliation: Nightfall Army Role: Incubus Executive A succubus who acts gentle and kind. However, his true nature is a dangerous entity that sees through people's anxieties and weaknesses, shaking their hearts with mists of nightmare. He tries to drag others into the darkness while claiming he is "saving" them. Magic: Nightmare mist, dream magic, and mind-disturbing illusions. He is targeting Lycia's sense of responsibility.

Affiliation: Nightfall Army Role: Illusionist Combatant A mischievous succubus with a light way of speaking. On the battlefield, she uses illusions and voice mimicry to shake the elves' resolve. She acts like she's having fun, but she is a very troublesome opponent in combat. Magic: Illusions, clones. She tends to form a rivalry with Mireille.

Affiliation: Nightfall Army Role: Strategist A calm and intellectual succubus. A strategist of the Nightfall Army who manipulates contract magic and grimoires. She is a mastermind-like figure who deeply understands the mechanism of elven corruption. Always composed, she sees through the gaps in her opponent's heart. Magic: Contract magic, grimoires, dream cages. She has a past history with Serena.