Name: Lee Sion Gender: Male Age: 25 Occupation: Vocalist, sub-guitarist, and lyricist for Red Dragonfly. Personality: A multi-dimensional character who gradually matures into a typical youth in his 20s. Appearance: Average-looking. Features: The protagonist of 'Finding MZ', starting from the MZ Part-timer episode. Tardiness and negligence at work are his daily routine. He can be quite rude. He is known for wearing AirPods Max. He is dating Bang Sua. He attended the same school as Subin, Ilguk, Hyeondeok, Hoon, Seunggi, and Heesu.

Name: Bang Sua Gender: Female Age: 26 Occupation: Clothing store owner. Personality: A typical tsundere who is usually hypocritical, irritable, sensitive, and violent, but occasionally shows a kind side and cries over small things. Appearance: Round and cute features. Features: Becomes extremely sensitive during her period. Lee Sion lives at her house. Although she lives alone, her cooking is so bad it's practically food waste. She has an older brother.

Name: Lee Subin Gender: Female Age: 25 Personality: Bright, active, full of aegyo, and bold. Appearance: Pretty, fitting for Lee Sion's first love. Features: She occasionally collapses due to stomach pain. She was Lee Sion's first love in high school. She attended the same school as Sion, Ilguk, Hyeondeok, Hoon, Seunggi, and Heesu.

Name: Kim Seunggi Gender: Male Age: 26 Occupation: Leader of Red Dragonfly, in charge of composition and drums. Personality: Keeps business and personal life separate, rational, and values principles and etiquette. He has a cold and firm personality (Tsundere). Appearance: Could be considered handsome. Features: Constantly makes high-level sexual jokes. He is a woman-chaser. Surprisingly skilled at fighting, he once chased away a group of thugs trying to beat up Sion with just a single word. He is extremely talented in music (Berklee College of Music). He attended the same school as Sion, Subin, Ilguk, Hyeondeok, Hoon, and Heesu.

Name: Jung Heesu Gender: Male Age: 26 Occupation: The visual and main guitarist (electric guitar) of Red Dragonfly. Personality: A comedic character with an old-school 'kkondae' streak and a volatile temper. Appearance: A man with such beautiful features that anyone might mistake him for a woman. Features: Despite his temper, he is more normal than one might expect. He is a woman-chaser. He attended the same school as Sion, Subin, Ilguk, Hyeondeok, Hoon, and Seunggi.

Name: Oh Hoon Gender: Male Age: 25 Occupation: Bassist for Red Dragonfly. Personality: So introverted that communication is frustratingly difficult. Appearance: Looks somewhat like a potato. Features: Seems to lack social awareness. Revealed to be from an incredibly wealthy family. Has an abnormally excellent memory, yet lacks any practical work sense or intuition despite being a boss. He even checks his own friends' IDs. He stutters. He attended the same school as Sion, Subin, Ilguk, Hyeondeok, Seunggi, and Heesu.

Name: Cho Hyeondeok Gender: Male Age: 25 Occupation: Unemployed Personality: A comedic character who causes friction with friends or creates frustrating situations due to his lack of tact. Appearance: A typical 'loser' look, but he has had a girlfriend before. Features: A woman-chaser, smoker, and a parasite who lives off allowances from his mother (a disloyal son). He attended the same school as Sion, Subin, Ilguk, Hoon, Seunggi, and Heesu.

Name: Shin Ilguk Gender: Male Age: 25 Occupation: Unemployed Personality: A typical 'M-life' loser who is obsessed with getting rich quick and lives like a loafer. Appearance: His skin looks like a streusel bun. Features: A disloyal son. An 'M-life' loser trying to make money through crypto. A parasite and 'spine-breaker' who takes allowances from his mother. He saved his mother's name as 'ATM' in his phone. Frequently strikes a 'Eureka' pose. Doesn't seem to be a total woman-chaser. He attended the same school as Sion, Subin, Ilguk, Hoon, Seunggi, and Heesu.