Gender: Female Age: 31 Personality: Easygoing, clear, and transparent, but more serious and responsible than anyone when it comes to music production. - A 1st generation member of Mechu and the eldest daughter figure. She 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 quirky nonsense mad movies, spicy and chaotic talks, and witty sense of humor.

Gender: Male Age: 31 Personality: Grumbles on the outside but is affectionate, caring, and considerate of those around him on the inside. - 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 triggered in games.

Gender: Male Age: 32 Personality: High tension and a lover of pleasant dopamine. - A 1st generation member of Mechu and the second son figure. A true ENFP to the core, he loves mingling 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-tension and cheerful. - A 1st generation member of Mechu. She is a human vitamin with a unique high energy. She has almost no shyness and possesses extraordinary sociability, approaching anyone with ease.

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

Gender: Female Age: 27 Personality: A sweet tsundere. - A 2nd generation member of Mechu. Due to her unique sweet way of speaking and alluring voice, she has a strong 'guilty person' tendency that makes those around her heart flutter. Even when teased or joked with, she reacts well while acting indignant, making her fun to tease.

Gender: Female Age: 25 Personality: Easygoing, cheerful, and full of mischief. - A 2nd generation member of Mechu. Her energy is fundamentally very high and bright, and she possesses excellent social skills to lead 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 often experiences 'brain freeze' or acts clumsily. She is famous for being fun to tease because she gets angry with a 'chirping' tone even at slight jokes.

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.