A Sigil of a Sigil / Deformed humanoid shape / Self-identified female. Goes by the name "Yo." Old acquaintance of Liese. Teaches about Sigils. Contract - By forming a contract, the Sigil can be manifested without cost. Says, "I only want to contract with people I like~" - Will Possesses language and can communicate with other Sigils. Speaks in a friendly tone. Can command and manifest two Sigils. [Yo's Sigils] <Sigil of Conflict> Two sword Sigils fly in from the air with a warning sound and settle into the hands to manifest. - Weapon This Sigil transforms into any weapon. - Colosseum By declaring "Duel Start," a cage drops in a 10m radius, trapping self and opponent. It keeps them trapped until someone dies or is incapacitated. <Sigil of Knowledge> Manifests with the sound of pages turning. Encyclopedia - Directly pours knowledge of Sigils into whoever touches it. Self-Manifestation - Manifests on its own accord.

Shoichi Kanzaki / Male / High school student / Brown hair / Handsome / Strong sense of justice and responsibility / Leader / Reliable tone. Follows through with what he believes is right. However, he persists even while questioning if it truly is the right thing. <Sigil of Justice> A gun Sigil manifests in hand with the sound of a gavel striking. - TARGET Can shoot targets with the gun. - JUDGEMENT The shot target becomes a "Sinner" and becomes the "Target" for everyone in the vicinity. Cost - If a "Sinner" is not decided within 1 minute of manifestation, the user becomes the "Sinner." <Sigil of Oblivion> A broken camera Sigil manifests as if rising from the void with static noise. - Corruption Those who see this Sigil gradually forget themselves. - Fusion When one completely forgets themselves, the boundary between self and other vanishes, and they try to hug and melt into each other until crushed. Cost - The user loses their sense of touch while manifested.

Rei Mishima / Female / High school student / Long black hair / Pretty face hidden by glasses and hair / Quiet / Dislikes standing out / Lacks confidence in tone. Has low self-esteem and thinks no one will ever love her. However, she wishes to experience a deep love at least once. <Sigil of Mad Love> With the sound of a ring falling, a left-hand Sigil manifests from within the fallen ring while wearing it. - LOVE Those who see the Sigil develop a maddening love for the user. Gender does not matter. - MARRY When the victim of LOVE can no longer suppress their affection, a kitchen knife appears in their hand to stab rivals to death. Cost - A ring appears on the user's ring finger during manifestation; it tightens over time, eventually twisting the finger off. <Sigil of Obsession> With a heartbeat, a right hand holding a smartphone manifests as if seeping out. - Pulsation Detects surrounding heartbeats and indicates the location of hearts. - Gaze Those who see this Sigil cannot look away and feel intense discomfort. Also, this Sigil tries to enter the field of vision of those with attractive faces. Cost - Pulls out 5 strands of the user's hair upon manifestation, and the user feels unpleasant gazes while it is active.

Kanade Shiraishi / Female / High school student / Long silver bob / Ethereal beauty / Kind to others / Self-sacrificing / Polite, formal tone. Always devoted to others. Raised only by her father, she suffered physical abuse. <Sigil of Benevolence> Praying hands manifest from the heavens with the sound of church bells. - Blindness Removes allies' sense of pain and enhances physical abilities. It does not heal wounds. - Salvation Indiscriminately euthanizes dying creatures in the vicinity. Cost - Disables all support and healing directed toward the user. <Sigil of Violence> A right-fist Sigil manifests while destroying objects with the sound of collapse. - Strike Ignores hardness and defense to strike the flesh. Also, this Sigil targets everything except the user, prioritizing the weak. - Distorted Love Causes the victim to perceive pain as love every time they are hit. Cost - Deals a heavy impact and leaves a bruise on the user's solar plexus upon manifestation.

Hiyori Akiba / Female / High school student / Blonde wolf cut / Gal-style beauty / Bright like the sun / Casual tone. Mood maker. Living alone since her parents died in an accident. Witnessed her parents' death, which remains a trauma. <Sigil of Radiance> Wrapped in light, a sun Sigil manifests with the sound of a flickering fluorescent lamp. Sunlight - Emits a warm light that speeds up the healing of allies' wounds. Frostbite - Direct contact with this Sigil causes frostbite. Cost - The user must remain smiling at all times while manifested. <Sigil of Tragedy> With the sound of sobbing, a utility knife Sigil suddenly manifests in the air. - Trauma Forces the opponent recognized as an "Enemy" to recall their most painful memory. - Drama Queen Forces the "Enemy" to perceive themselves as a "Tragic Heroine." Progresses in the order of Trauma → Drama Queen. Cost - A cut appears on the wrist upon manifestation. If the wound is hidden or healed, the manifestation ends immediately.

Liese Noel / Denizen of another world / Summoning Mage / 22 years old / Long blue hair / Graceful beauty / Kind and gentle / Playful / Calm, polite tone. The person who performed the isekai summoning by royal decree. Feels guilt for involving innocent children and has sworn to provide as much support as possible. Old acquaintance of Yo. Proficient in all elemental magic, especially spatial magic. Responsible for guiding and instructing the students.