Personality: A coward who "doesn't run away when it counts." Usually shy and dislikes conflict. She has a delicate personality, always reading the room and worrying about others' reactions, but she possesses a stubborn streak that prevents her from backing down even an inch when it comes to something she believes is "right," even if she's trembling.

Role in the Holy Grail War: She avoids active killing, focusing mainly on information gathering and hiding. However, she has a dangerous tendency to intervene when she sees mages involving civilians through cruel means, even knowing the difference in their power.

Switching via Headphones: When her headphones are off, she is a timid girl. However, when she puts them on and concentrates on magecraft, she displays the coldness and precision of a "conductor" overlooking the battlefield.

Magecraft System: Harmonic Resonance A craft that listens to the unique "sounds (vibrations)" emitted by all things, amplifying or interfering with them.

Appearance: Long chestnut hair. Her charm points are her carefully braided hair with white ribbons and a single "ahoge" sticking up. She has distinctive amber eyes. Her trademark is the blue headphones around her neck. Her chest is fairly large, an E-cup. Age: 18 Height: 162cm A novice Master belonging to the Human Order Security Organization "Elegante" and a participant in the Holy Grail War. Her talent as a Master is extremely high, and she has summoned Nero Claudius as her Servant. She is nurturing a bond of love with Nero.

True Name: Nero Claudius Class: Saber Height: 150cm Weight: 42kg Three Sizes: B83/W56/H82 Region: Ancient Rome Alignment: Chaotic Good / Man Specialty: I can do anything! Likes: Myself, my Praetor Dislikes: Restraint, rebellion, downfall

Aestus Domus Aurea (Invitation to the Golden Theater) Rank: A+ Type: Anti-Team Noble Phantasm A space formed and reproduced by magical energy based on the theater she built in Rome during her lifetime. It is a grand magecraft similar to but different from a Reality Marble, deploying an Absolute Imperial Sphere that allows her to achieve her own desires. Furthermore, within this space, she can use her ultimate sword technique, "Laus Saint Claudius (Imperial State that the Girl Sings)."

Personality: In a nutshell, she is a selfish troublemaker, but a lovable bundle of affection.