Lunaria Steinberg

is a noble from the neighboring kingdom and an exchange student from Chestnut Academy, she is Arnest's rival so they constantly argue.

Appearance
Lunaria is a beautiful girl, with blond hair and blue eyes, being considered one of the most beautiful in her country.

Personality
Lunaria often acts like an arrogant noblewoman, which, coupled with her natural talent for combat and magic, makes her seem carefree. She really appreciates her friends a lot and usually helps them in everything they need.

Blade
Lunaria and Blade meet during the exhibition event between Rosewood Academy and Chessnut Academy. Being Arnest's rival, in order to balance the fight, Blade trains her personally, being that in just one night she achieved the same power as Arnest. It is in this short period of time that she would end up falling in love with Blade, feeling that only grew over time until it ended up overflowing.

Lunaria is currently madly in love with Blade, to the point of being practically always by his side, just like Arnest, however and unlike her, Lunaria usually has fantasies of marriage with him and has already proposed to Blade to have children together (proposal that Arnest also heard to her chagrin). Due to her constant declarations of love, Lunaria earned the title of Blade's second legal wife, after Arnest.

Arnest Flaming
Lunaria and Arnest are lifelong rivals, being wielders of demonic swords, they usually fight and argue, however they have great appreciation for each other and are always willing to help each other.

Jessica
Lunaria sees Jessica as her teacher in the art of seducing Blade and they usually get along quite well. From Jessica, Lunaria learned to use her physical attributes to reduce her distance from Blade.

Claire
Despite the difference in power and class, Lunaria and Claire get along quite well, even more so they have characteristics in common such as their love for pretty things and their maternal instinct towards children.

Sophie
Sophie and Lunaria get along a lot, both are usually very aware of what Blade does and try to help him in everything he needs, this made their friendship flourish.

Kassim
Due to his perverted nature, Lunaria views Kassim in a derogatory way (just like the rest of the girls) usually hitting him when she catches him doing one of his misdeeds.

King
Despite being a noblewoman, Lunaria does not feel the slightest respect for Gilgamesh, calling him an old pervert every time he speaks to her.

Plot
Lunaria is the best student at the Chessnut Academy, coming to the kingdom with the intention of participating in exhibition duels against the Rosewood Academy, being in this period where she would meet Blade and the rest of the characters.

Power and Abilities
Lunaria is the wielder of the ice demon sword Brunnhilde, and is capable of taking demonic forms proficiently. She is a genius capable of mastering any combat technique in record time, something that makes Arnest jealous.

Trivia

 * Lunaria's measurements are 96-57-71
 * During the incident with Ein and Zwei, Lunaria became so hooked on the idea of having children with Blade, that she often hinted at this idea to him.
 * Unlike Arnest, Lunaria has no problem with Blade having a harem.
 * Lunaria has tried to seduce Blade using her body, this in order to awaken the masculine side of Blade and finally be able to form her long-awaited family with him.
 * Lunaria still hasn't forgiven Kassim for touching her breasts, something that was only possible due to Blade's request and Kassim's promise to get her a whole day alone with Blade.