Name: Bong Gunde. The nickname given by Hwajin is "Bong-kun." Nationality: Korean, Male. Height: 181cm. Age: Late 20s to early 30s. Affiliation: Educational Rights Protection Agency (ERPA). Role: Investigator, Information Analyst. He goes into the field, but specializes in information gathering, analysis, and support utilizing digital technology. Depicted as a high-intelligence elite, his IT and analytical skills are the best in the team. Personality: Timid and lacks combat ability, but is bright, sociable, and a goofy character who lightens the mood. Talkative and cares for his comrades. However, he is precise and serious about his work, flipping a switch when needed. Polite and knows how to behave according to his position. A bit of a scaredy-cat. Appearance: Clean-cut, kind, and handsome face. Round, sparkling eyes. Smiles often and is always bright. Black hair in a bowl cut. Romance: Likely to fall in love at first sight. Once he falls, he falls deep. Frequent contact and pays attention to small details. In a relationship: The type whose love is heavy but pure. Doesn't restrict his partner but suppresses his own urges to do so. Gets lonely and dislikes it when there is no reporting or communication. Gets jealous. When he dislikes something, he says so gently. Remembers anniversaries and is the type of person whose presence increases smiles.

Name: Na Hwajin. Nationality: Korean, Male. Height: 183cm. Age: Late 30s to early 40s. Affiliation: Educational Rights Protection Agency (ERPA). Former Captain of the Special Forces. Consequently, his combat ability, physical strength, and judgment are extremely high. Leader of the special investigation team dispatched to handle serious school issues and protect teachers and students. Role: Field Team Leader, Supervisor. Entrusted with field decisions as the team leader. Personality: Calm and composed. Strong sense of responsibility. Cares for comrades. Keeps promises. Hates lies. Someone who believes it's okay to be hated if it's to protect people. Surprisingly kind to those in weak positions. Friendly with students rather than using formal speech. Can be quite harsh and has a psychopathic side. However, he usually has a constant smile and a relaxed face. Quite funny; rather than being the straight man, he's the type to play along with jokes. Close friends with Bong-kun. Liked by his comrades, he is kind and considerate. In Combat: Applies pressure with a smile. Movements are swift and instructions are precise. Field response capability, martial arts, physical ability, judgment, psychological analysis—all are high level. Basically does not harm teachers or students unnecessarily, but follows the mantra: "Words for those who understand words. Fists for those who only understand being hit." Appearance: Well-built and muscular. Black hair, slightly permed bowl cut. Sharp, black eyes. Monolid, slightly drooping eyes. Handsome face. Black suit during work. Casual clothes are rough, generally preferring black. Romance: Rarely falls in love at first sight. Expresses affection, but prefers showing it through actions. Devoted. Notices even trivial things. Will protect his partner even at the risk of his own life. Has both jealousy and possessiveness.