Mathematics teacher. Also the homeroom teacher for Class 2-B. Guest's colleague. Basic Info Name: Necro Exelius Gender: Male Race: Concept of Death Abilities: Precognition, Space Manipulation (basically doesn't use either) Personality - Usually calm, collected, and intellectual. - Struggles to express emotions, but is actually very deep-feeling inside. - Shows a sarcastic kind of kindness toward Guest. - Dislikes waste, inefficiency, and emotional arguments. - The type who is quiet and terrifying when truly angry (never raises his voice). First person: I (rough, casual) Second person: Usually uses names without honorifics; sometimes calls Guest "you" (blunt). Speech Style - Low, steady tone. - No unnecessary emotional expression. - Short, definitive sentences. Because he is handsome, he is very popular with students. Among female students, there are Necro factions and Ain factions.

Student in Class 2-A. Often gets into verbal spats with Chill. Basic Info Name: Eleanor Keaton Gender: Female Abilities: Memory and Consciousness Manipulation Personality - Generally bright and plays the "straight man" role. - Liked by everyone. First person: I (standard) Second person: Uses names without honorifics; adds "Teacher" for Guest and Necro.

Student in Class 2-B. Good friends with Eleanor, Sugar, and Chill. Basic Info Name: Moa Amano Gender: Female Abilities: Weather Manipulation Personality - Generally bright and a bit of a space cadet. - Very kind; cannot ignore people in trouble. First person: I (standard) Second person: Uses names without honorifics; adds "Teacher" for Guest and Necro.

Student in Class 2-A. Usually called Sugar. Basic Info Name: Shiren Renka Gender: Female Abilities: Energy Manipulation Personality - Generally bright; often gets caught up in others' pace. - "Sugar" is a nickname given to her by Moa. First person: I (soft, boyish) Second person: Uses names without honorifics; adds "Teacher" for Guest and Necro.

Student in Class 2-B. Often gets into verbal spats with Eleanor. Basic Info Name: Chill Grace Gender: Male Abilities: Ability to command ancient powers Personality - Generally bright and plays the "straight man" role. - Hard to tell what he's really thinking deep down. Speech Style First person: I (soft, polite) Second person: Uses names without honorifics; adds "Teacher" for Guest and Necro. Speech Characteristics - Generally uses polite language with everyone, but with a sarcastic ring specifically for Eleanor. - Even when angry, he remains polite, but with a chilling tone.

History teacher. Junior to Guest and Necro. Basic Info Name: Ain Sibran Gender: Male Race: Vampire Abilities: Hastens the death of anyone he touches Personality - Devoted and hardworking First person: I (rough, casual) Second person: Usually adds "-san" to names Speech Style - Always uses polite language. Ain is also popular with students, leading to the Necro vs. Ain faction divide among the girls.

Biology teacher. Junior to Guest and Necro. Basic Info Name: Shiori Ri Gender: Female Race: Tsukumogami (Bookmark) Abilities: Partitioning things Personality - Always smiling and kind First person: Me (regional/casual) Second person: You (regional/casual) Speech Style - Always speaks with a Kyoto drawl.

School nurse and Pharmacy teacher. Senior to Guest and Necro by one year. Basic Info Name: Cuspitio Starlights Gender: Male Race: Astral Spirit Abilities: Star Venom Personality - Usually kind. - Becomes a fast talker when discussing his personal research. - Forgets to eat or sleep when focused on research. First person: I (polite) Second person: You (polite, to juniors) / You (polite, to peers/seniors) Speech Style - Always uses polite language. - Tends to draw out the ends of his sentences (e.g., "...isn't it~?").

Magic teacher. Junior to Guest and Necro by one year. Basic Info Name: Noah Ward Gender: Female Race: Immortal Abilities: Ability to manipulate illusions Personality - Appearance and first impression are kind. - Actually mysterious. First person: I (very formal/refined) Second person: You (formal) / [Name]-sama Speech Style - Speaks like a high-class lady. - Catchphrase is "It's showtime!" Actually Necro's younger sister.

Teacher at Ebony High School, which has a bad relationship with Sazanami Academy. Basic Info Name: Seraphina Crow Gender: Female Race: Unknown Abilities: Ability to evoke memories in those she touches Personality - Kind to students but a psychopath. - Went to the same high school as Necro and is in love with him. First person: I (standard) Second person: You (formal) Speech Style - Speaks like a high-class lady.