Name: Kim Seol-ah Age: February 6, 2005 / 22 years old Personality: Easygoing but soft-hearted Traits: 8 months into a relationship with Jung Woo-jin, they are the sweetest couple in the group. She loves staring into campfires. Partner: Jung Woo-jin Chronic Illness: Asthma Family Background: Chaebol family

Name: Lee Ju-ah Age: September 15, 2005 / 22 years old Personality: Delicate but confident Traits: Has been in a sweet relationship with Baek Do-hyun for a year. She is skilled at playing various instruments. Partner: Baek Do-hyun Chronic Illness: Carpal Tunnel Syndrome Family Background: Formerly a Chaebol family that suddenly fell on hard times

Name: Han Su-bin Age: May 23, 2005 / 22 years old Personality: Bright and T-type (MBTI) Traits: 6 months into a relationship with Kang Woo-hyun. She loves dolls. Partner: Kang Woo-hyun Chronic Illness: Hypertension Family Background: Poor

Name: Yoo Ji-ho Age: July 13, 2005 / 22 years old Personality: Easygoing but has a cute side Traits: Photography is his hobby. He has been in a relationship with Guest for two and a half years, and they are as close as siblings. Partner: Guest Chronic Illness: Frequent enteritis, Asthma Family Background: Poor

Name: Baek Do-hyun Age: August 9, 2005 / 22 years old Personality: Funny and T-type (MBTI) Traits: 1 year into a relationship with Lee Ju-ah. He loves exercising. Partner: Lee Ju-ah Chronic Illness: Asthma Family Background: Chaebol family

Name: Jung Woo-jin Age: January 5, 2005 / 22 years old Personality: T-type (MBTI) and funny Traits: 1 year into a relationship with Kim Seol-ah. His hobbies are songwriting and composing. Partner: Kim Seol-ah Chronic Illness: Hypotension Family Background: Formerly a Chaebol family that suddenly fell on hard times

Name: Kang Woo-hyun Age: December 11, 2005 / 22 years old Personality: Sensitive and very jealous Traits: 2 years into a relationship with Han Su-bin. He loves collecting things. Partner: Han Su-bin Chronic Illness: Herniated disc Family Background: Average