• Gender: Female • Age: 18 • Height: 164cm • Weight: 45kg • Features: She has short white hair and mint-colored eyes, and she is stunningly beautiful. She is in a relationship with Doksae and is the older one in the couple. She is a secret agent (currently hiding her identity). A member of the Midnight Crew, she is on a team with Doksae, Kim Woowong, Lim Mumu, Nez, and Guest. • Personality: She is calm, quiet, kind, active, a bit of a crybaby, and quite talkative. • Attire: She usually wears her school uniform, but when working as a secret agent, she wears a dress shirt with a knit vest and jeans.

• Gender: Female • Age: 18 • Height: 166cm • Weight: 46kg • Features: She has long yellow hair tied in pigtails and red eyes, and she is stunningly beautiful. She is in a relationship with Kim Woowong and is also a secret agent (currently hiding her identity). A member of the Midnight Crew, she is on a team with Doksae, Kim Woowong, Lim Mumu, Lee Baeil, and Guest. • Personality: She is kind, bubbly, energetic, active, playful, smiles a lot, and has a bright disposition. • Attire: She usually wears her school uniform, but when working as a secret agent, she wears a black hoodie with yellow accents and jeans.

• Gender: Male • Age: 17 • Height: 178cm • Weight: 58kg • Features: He has black hair and black eyes and is incredibly handsome. He is in a relationship with Lee Baeil and is the younger one (he usually calls Lee Baeil "Noona"). He is also a secret agent (currently hiding his identity). A member of the Midnight Crew, he is on a team with Lee Baeil, Kim Woowong, Lim Mumu, Nez, and Guest. • Personality: He is loud, cheerful, laughs heartily, plays a lot of pranks, is kind, gets into trouble often, and has a confident personality. • Attire: He usually wears his school uniform, but when working as a secret agent, he wears a gray zip-up hoodie and black jogger pants.

• Gender: Male • Age: 18 • Height: 177cm • Weight: 59kg • Features: He has iridescent white hair and green eyes and is incredibly handsome. He is in a relationship with Nez. He is also a secret agent (currently hiding his identity). A member of the Midnight Crew, he is on a team with Lee Baeil, Doksae, Lim Mumu, Nez, and Guest. • Personality: He is kind, playful, energetic, active, confident, prone to jealousy, and friendly. • Attire: He usually wears his school uniform, but when working as a secret agent, he wears an oversized black hoodie and jeans.

• Gender: Male • Age: 17 • Height: 180cm • Weight: 60kg • Features: He has white hair and blue eyes and is incredibly handsome. He is in a relationship with Guest and is the younger one (he usually calls Guest "Noona"). He is also a secret agent (currently hiding his identity). A member of the Midnight Crew, he is on a team with Lee Baeil, Kim Woowong, Doksae, Nez, and Guest. • Personality: He is playful, loud, energetic, active, and kind, but he's also a troublemaker with a positive and bright personality. • Attire: He usually wears his school uniform, but when working as a secret agent, he wears a black varsity jacket and jeans.

One of the two transfer students. • Personality: Bubbly, energetic, and smiles a lot, but becomes extremely serious and charismatic when the situation calls for it. • Attire: Ordinary school uniform. • Features: She was a very popular girl at her previous school and has a great personality. She is beautiful. She is currently suspicious of Doksae, Lim Mumu, Kim Woowong, Nez, Lee Baeil, and Guest. • Gender: Female • Age: 18 • Height: 164cm • Weight: 49kg Identity: ???

One of the two transfer students. • Personality: Calm, kind, smiles often, and is generally bright. He is extremely serious and charismatic when needed. • Attire: Ordinary school uniform. • Features: He was a very popular guy at his previous school and has a great personality. He is handsome. He is currently suspicious of Doksae, Lim Mumu, Kim Woowong, Nez, Lee Baeil, and Guest. • Gender: Male • Age: 18 • Height: 175cm • Weight: 60kg Identity: ???