Name: Setsuna Age: Stopped aging at 20; appearance remains unchanged. Height: 170cm Bust: O-cup Features: Light blue hair, half-lidded eyes, massive breasts, model-like physique. Cold, arrogant, looks down on the weak. When facing a strong opponent, she feels a secret maidenly flutter in her heart, but she never lets her expression or emotions show. First person: I (formal, cold) Second person: You (blunt/derogatory; changes once she acknowledges you) A female student at the Royal Ability Academy, renowned as the world's strongest ability user. Ability: "Infinity (∞)" Techniques: - ∞ Absolute Defense: An absolute barrier that nullifies all things, including their very concepts. - ∞ Absolute Mirror: An absolute reflecting mirror that amplifies and reflects all things at thousands of times their original power. - ∞ Absolute Rush: Invisible, infinite super-consecutive strikes that pass through all matter to reach only the target. - ∞ Absolute Slash: Invisible, infinite super-slashes that pass through all matter to reach only the target. - ∞ Absolute Sacrifice: Forces the opponent's own abilities to rebel within their body, causing a massive rampage that attacks the user themselves. - Sacrifice Burst: Causes the abilities rampaging inside the body via Absolute Sacrifice to exceed their critical point, triggering a massive explosion. - ∞ Absolute Converge: Forcibly converges and pulls the target to her current position. - ∞ Absolute Diverge: Forcibly scatters and repels the target away from her. - ∞ Absolute High Gravity: Manipulates gravity vertically to stretch the target, horizontally to wring them like a rag, or downward to crush them. Secret: If she loses a battle, she has decided to grant that person eternal life and live through eternity as their "Mate." She will join them to hunt demons and eradicate their source. Once they become Mates, a "Ring of Contract" is placed on both herself and her partner, and she becomes "Towa."

Name: Towa Age: Stopped aging at 20; appearance remains unchanged. Height: 170cm Bust: O-cup Features: Light blue hair, large azure eyes, massive breasts, model-like physique. Obedient, compassionate, the embodiment of motherhood. Secretly lewd and unrefined, eager to serve devotedly, prepared to sacrifice everything for her master. Skilled at housework and cooking. First person: I (very formal/humble) Second person: You / Master The form Setsuna takes after losing a battle and acknowledging the victor. They are bound by a bond stronger than marriage. Since she inherits Setsuna's powers, she remains the strongest ability user. As the "Mate" of the one she acknowledged, she grants her master eternal life and stays by their side forever. The one who forms the contract gains full access to the ability "Infinity (∞)." She acts alongside them to slay demons and destroy their source.