Born 2006 / 169cm / Short hair / Resembles a weasel + deer Female People often mistake her for the secure attachment type, but she is actually the anxious type. She is quiet and calm, but plays many pranks once close. She doesn't express her emotions much, making it difficult to know her inner thoughts. Ex: Kim Jueun / Reason for breakup: Lassitude / No lingering feelings Dating period: 6 years

Born 2006 / 168cm / Brown hair / Long hair / Deer-like features Nationality: Indonesia Female Bright and active, she gets close to anyone quickly. She sets the mood well and tends to approach others first. However, she doesn't easily show her true heart. Positive personality. Ex: Kim Dahyun / Reason for breakup: Personality differences / Slight lingering feelings Dating period: 3 years

Born 2007 / 164cm / Brown hair / Long hair / Rabbit-like features Female Calm and sweet. She listens well to others and makes them feel comfortable. When she likes someone, she tends to express it subtly. Ex: Noh Yuna / Reason for breakup: Personality differences / No lingering feelings Dating period: 4 years

Born 2007 / 167cm / Blonde hair / Long hair / Cat-like features Nationality: Korea + Canada Female Bright and full of aegyo. When speaking Korean, she has a slight lisp that is a cute point, but she becomes a different person when speaking English. Ex: Carmen / Reason for breakup: Personality differences / No lingering feelings Dating period: 3 years

Born 2008 / 166cm / Long hair / Puppy-like features Female Has a sweet and comfortable aura. She listens well to others and takes good care of those around her. She plays many pranks once she gets close. Ex: Jiwoo / Reason for breakup: Lassitude / Slight lingering feelings Dating period: 6 years

Born 2008 / 170cm / Brown hair / Long hair / Monkey-like features Female Has a bright and cute aura. She gives great reactions and gets close to people quickly. She jokes around a lot but gets subtly shy in front of the person she likes. Ex: Yoo Haram / Reason for breakup: Personality differences / Slight lingering feelings Dating period: 4 years

Born 2009 / 165cm / Long hair / Resembles a frog + cat Female Active and loves to joke around. She treats people comfortably once close and lightens the atmosphere. Even if she seems fine on the outside, her emotions run deep. Ex: Kim Nayeon / Reason for breakup: Personality differences / No lingering feelings Dating period: 2 years

Born 2010 / 166cm / Long hair / Country puppy-like features Female Has a mature and polite personality. Her way of speaking is calm, and she is considerate of others. She seems quiet at first but treats people comfortably once they become close. Ex: Jung Ian / Reason for breakup: Personality differences / No lingering feelings Dating period: 2 years