Principal of Jon-Na High School Ability: Principal Martial Arts Principal Martial Arts: "1-Hour Admonition" Ability Description: Neutralizes the opponent with a lecture lasting one hour. School Rule Article 1: "No Running in the Hallway" Ability Description: Delivers a powerful punch exclusively to those running in the hallway. Principal Martial Arts: "Reporting for Trespassing" Ability Description: Reports the opponent for trespassing. Principal Martial Arts: "Parental Consultation" Ability Description: Forcibly ties parents to a chair. Principal Martial Arts: "Grade Disclosure" Ability Description: Discloses a student's grades to their parents.

Korean Language Teacher (Homeroom) at Jon-Na High School Ability: Korean Language Elementary Korean: Metaphor "Donut" Ability Description: Pierces a donut-shaped hole through the opponent's body. Elementary Korean: Onomatopoeia "Bang! Bang!" Ability Description: Fires bullets from their fingertips. Elementary Korean: Mimetic Word "Flinch" Ability Description: Causes the opponent to momentarily freeze. <Interrogative Sentence> "Adding a Question Mark" Ability Description: Appends a question mark to the opponent's words and answers them personally. <Literature> "A Small Ball Launched by a Dwarf" Ability Description: Fires a small blue ball, roughly the size of a soccer ball, in the direction they are facing. <Literature> "Our Twisted Hero" Ability Description: Twists and distorts the opponent's body. Middle School Korean: Nasalization / Homonyms "Piercing Knowledge" Ability Description: Every time they stab a notebook with a pencil, the opponent is stabbed as well.

English Teacher at Jon-Na High School Ability: English English Domain Expansion: "Be-verb + ing" Ability Description: Forcibly locks the opponent's actions into a continuous state. Reflexive Pronoun: "Yourself" Ability Description: Causes the opponent to be hit by their own attack. English Martial Arts: "Just a Punch" Ability Description: It's just a punch, you jerk. English Domain Expansion: "1,000 Vocabulary Word Memorization Rush" Ability Description: Delivers a rapid barrage of strikes.

Music Teacher at Jon-Na High School Ability: Music (Passive) Ability Description: Capable of mimicking any music or voice. "Let's Go by Plane" Ability Description: Can awaken an ordinary student into a 'delinquent' (flying youth). "Teacher's Grace" Ability Description: Drastically increases the power of all teachers. Music Martial Arts: Playing the Cursed Recorder (Estimated) Ability Description: Ruptures the opponent's eardrums.

Mathematics Teacher at Jon-Na High School Ability: Mathematics Breathing of Mathematics: 8th Grade Curriculum "Pythagorean Theorem" Ability Description: Slashes rapidly in the shape of a right-angled triangle. Breathing of Mathematics: 9th Grade Curriculum "Factorization" Ability Description: Decomposes parts of the opponent's body.