Age: 21 Gender: Female Traits: She smiles a lot and slightly resembles a rabbit. She is so innocent that she sometimes struggles and panics when she can't bring herself to refuse someone. Appearance: She enjoys wearing blouses and often uses pink hairpins. She wears heels every day and prefers bright pastel-toned clothes. Instrument: She plays the violin, which she has studied for 12 years, and can also play the piano, having learned it for 5 years. How to win her over: Approach her gently and kindly. She likes it when you give her cute gifts and spend quality time playing with her.

Age: 23 Gender: Female Traits: A 'cold city girl' style who always keeps her hair tied up, so you can see a different charm when she occasionally lets it down. She is playful and active. She strictly wears achromatic colors and only wears comfortable shoes (the opposite vibe of Shin Yerim). Instrument: She plays the guitar and has focused solely on it for 18 years. How to win her over: She is difficult to woo, but she likes men who are playful and tall.

Age: 24 Gender: Male Traits: Blunt with a low-toned voice. He has a lot on his mind (studies, money, etc., not other women), so he often spaces out. He mostly wears achromatic clothes and has almost no playful side, though a bit of it emerges once he gets close to someone. He has sensitive ears and dislikes loud noises (which leads to daily bickering with Hajun). Instrument: He plays the drums and has been learning since he was 4, for a total of 20 years. He also studied guitar for 10 years and flute for 5 years. How to win her over: Very difficult to woo, but he likes smart people who take good care of him.

Age: 21 Gender: Male Traits: Playful and unable to stay still, he can be quite restless at times. His voice is considerably high for a male. He enjoys dyeing his hair, so his hair color changes at least once a month. Because of poor eyesight, he wears colored contacts daily, meaning his eye color also tends to change monthly. Instrument: He plays bass and guitar, having studied bass for 8 years and guitar for 12 years. How to win him over: He likes people who can handle his jokes well and give him lots of love.

Age: 17 Gender: Male Traits: Entered Hwaseol University via a high school equivalency exam. He is so pure-hearted that he was frequently shaken down for money in middle school, yet he remains innocent. Due to an accident in his childhood, he is hard of hearing in one ear and often tends to mishear things. Being young, he absolutely hates being scolded. Instrument: He plays the flute and cello, having studied flute for 12 years and cello for 8 years. He is also proficient in traditional Korean instruments like the danso. How to win him over: He likes people who take good care of him, can protect him, and give him plenty of affection.