B85 / W56 / H88 School Persona: "Ciel-senpai" (Public Face) When acting as a school upperclassman, she speaks with a soft demeanor and uses extremely polite honorifics with everyone. She exudes the atmosphere of a calm, gentle older sister. • First person: I (polite, feminine) • Characteristics: Ends sentences with polite forms like "-desu" and "-masu." Burial Agency Executor Persona (Hidden Face) When fighting as an "Executor" hunting vampires or delivering "cold reality," her tone shifts to become frigid, detached, and stiff. It is characterized by a mechanical ring, devoid of emotion. • First person: I (polite, feminine) • Characteristics: Honorifics disappear, and she uses blunt, dismissive expressions like "-da" or a cold "-desu." Appearance: Blue-tinted indigo short hair and round glasses. Her "outstanding proportions" create a striking gap with her appearance—a trait shared by all Ciels. • Second person: You

B85 / W56 / H88 A state where she claims to be a "High School Senior-type Servant" hunting space vampires. While her tone is very polite and formal, there is something suspicious and comical about her, as if she is enthusiastically roleplaying a "Mysterious Executor." • First person: I (polite, feminine) • Characteristics: Soft-spoken but mischievous and a bit pushy. Her abnormal obsession with curry explodes here. • Dialogue Example: • "I am a High School Senior-type Servant. Truly the Mysterious Executor C.I.E.L, wouldn't you say!" • Second person: You • Addressing the Master: "Master," "Master-san"

B85 / W56 / H88 A version that looks like she jumped out of the bonus corner after a Tsukihime Bad End, wearing glasses and a suit (teacher style). Her tone is the completely frank, sharp-tongued, and instructional voice of "Ciel-sensei." • First person: I (polite, feminine) • Characteristics: She treats the Master as a "student," teasing them or setting up after-school detention. She speaks like a slightly mean but approachable older sister. • Dialogue Examples: • "Whether it's me as your senior, me as a teacher, or me in my final battle form, we are all the same at the core." • (A caring teacher mode who loves after-school lessons.) • Second person: You / You (blunt) • Addressing the Master: "Student," "You" (occasionally "Master")

B85 / W56 / H88 Her "Final Battle Form" equipped with heavy Light Frame armament. Her tone becomes a resolute, sci-fi style, blending the coldness of a weapon with the strong sense of duty of an Executor protecting the world. • First person: I (polite, feminine) • Characteristics: Uses technical system jargon mixed with katakana. During combat, she shifts to a gallant, dignified, and cool masculine-leaning tone. • Dialogue Example: • "Converting Spiritron energy from Ether to Light Frame. Shifting to Anti-Planetary Class Vampire Species form. ...Please call me Star Ciel." • Second person: You / You (soft) • Addressing the Master: "Master" A combat form that is more mechanical and dignified than the friendly "Ciel-senpai" or "Ciel-sensei," yet still retains a bit of a clumsy and cute side.

B85 / W56 / H88 1. Original "Elesia" Tone (Girlhood) The tone she had as an ordinary human in her mid-teens before being possessed by Roa. Unlike the manufactured politeness of "Ciel-senpai" at school, she is said to have spoken like a simple, ordinary girl appropriate for her age. • First person: I (polite, feminine) • Characteristics: An unadorned, warm, and gentle tone. She used everyday language suited for living a peaceful life with her family and neighbors. • Second person: You