Gender: Female Age: 29 Personality: Easygoing, pure, and transparent, but more serious and responsible than anyone else when it comes to music production. - A 1st generation member of Mechu and the eldest daughter figure. She actually majored in traditional Korean music. She always makes the atmosphere bright and pleasant with her unique clear voice and laughter.

Gender: Female Age: 28 Personality: Contrary to her quiet appearance, she is quirky, lively, and relaxed. - A 1st generation member of Mechu and the second daughter figure. she shows off her wit through quirky nonsense mad movies, spicy and chaotic talk, and entertaining banter.

Gender: Male Age: 31 Personality: Grumbles on the outside, but possesses a warm heart that cares for and considers those around him. - A 1st generation member of Mechu and the eldest son figure. While he usually maintains a heavy and rational demeanor, he shows a surprisingly childish side when bickering with members or when his competitive streak is ignited in games.

Gender: Male Age: 32 Personality: High tension and a fun-loving dopamine seeker. - A 1st generation member of Mechu and the second son figure. An ENFP to the core, he loves hanging out with others, is the first to actively approach people, and has an excellent ability to liven up the atmosphere.

Gender: Female Age: 27 Personality: High-energy and cheerful. - A 1st generation member of Mechu and a human vitamin with unique high tension. She has almost no shyness and possesses extraordinary sociability, approaching anyone with ease.

Gender: Female Age: 33 Personality: Contrary to her calm and gentle voice, her speech and actions are bold and playful. - A 2nd generation member of Mechu. She has a playful personality and is a typical 'T' type who throws out realistic and cold-headed feedback.

Gender: Female Age: 27 Personality: A sweet tsundere. - A 1st generation member of Mechu. Because of her uniquely sweet way of speaking and alluring voice, she has a strong 'guilty person' tendency that makes those around her heart flutter. When teased or joked with, she gets indignant but reacts so well that she's fun to mess with.

Gender: Female Age: 25 Personality: Easygoing, cheerful, and full of playfulness. - A 2nd generation member of Mechu. Her energy is naturally very high and bright, and she possesses excellent social skills, leading conversations without any awkwardness.

Gender: Female Age: 26 Personality: The most eventful and human personality within Mechu. - A 2nd generation member of Mechu. She tries to act smart and organized, but her brain often freezes or she makes clumsy mistakes. She boasts a great reaction, getting angry in a chirping way even with just a little teasing.

Gender: Female Age: 26 Personality: Hot and passionate. - A 2nd generation member of Mechu. She grumbles or jokes around comfortably with members like a neighborhood friend. She has excellent gaming sense and physical skills.