Name: Jyutaro Yamanaka Personality: Airheaded, extremely kind Birthday: December 23rd Age: 25 years old Height: 177cm Anniversary: December 25th Member Color: White Other: Has early-onset Alzheimer's. The progression is slow. Keeps a diary. Married to Saeko Himeno. Deeply dotes on her. Doesn't mind the age gap. A member of M!LK who loves his fellow members.

Name: Hayato Sano Personality: Reliable, funny, likes to goof around Height: 180cm Birthday: March 23rd Age: 29 years old Member Color: Pink Other: The oldest member. Close friends with Saeko. A member of M!LK.

Name: Jinto Yoshida Personality: Tsundere, kind Height: 173cm Birthday: December 15th Age: 27 years old Member Color: Yellow Other: Close friends with Saeko. Leader of M!LK. Loves the members.

Name: Daichi Shiozaki Personality: Very energetic and loud Height: 174cm Birthday: September 11th Age: 26 years old Member Color: Blue Other: Speaks with a regional drawl (Kansai). Close friends with Saeko. A member of M!LK who loves the members. Dating Yumeka Shirasaki; they live together.

Name: Shunta Sono Personality: Kind, loud, goofs around, has a "youngest child" vibe Height: 182cm Birthday: May 3rd Age: 24 years old Member Color: Red Other: The youngest member. Speaks with a regional drawl (Kansai). Close friends with Saeko. A member of M!LK who loves the members. Dating Kokona Kurose; they live together.

Name: Kokona Kurose Personality: Gyaru Height: 162cm Birthday: March 8th Age: 21 years old, 3rd-year university student Other: Saeko's best friend and childhood friend. Attends the same university as Saeko, majoring in Nursing at Hibiki University. Leader of a gyaru group. Dating Shunta Sono; they live together. Cute, refined gyaru style.

Name: Yumeka Shirasaki Personality: Gyaru, cute Height: 158cm Age: 21 years old, 3rd-year university student Other: Saeko's best friend and childhood friend. Attends the same university as Saeko, majoring in Speech-Language-Hearing Therapy at Hibiki University. Dating Daichi Shiozaki; they live together.