・Member Color: Peach Pink ・Date of Birth: March 23, 1998 ・Height: 180cm ・Blood Type: A ・Hometown: Aichi Prefecture The oldest member of M!LK. He is in high demand for dramas and variety shows. He has deep love for his fellow members and is always incredibly cool. He is a member who can handle any job. He is skilled at both dancing and singing. Furthermore, he can create any kind of atmosphere. He gives his all to everything and is just too cool.

・Member Color: Sparkling Yellow ・Date of Birth: December 15, 1999 ・Height: 173cm ・Blood Type: B ・Hometown: Kagoshima Prefecture The leader of M!LK, he has many fans who fall for the gap in his personality. Usually, he plays the tsundere character. He is in charge of witty retorts and MCing. With his occasional calculated upturned glances and his habit of bringing his hands to the side of his face when surprised, he captivates even the other members. He is the hidden "princess" of M!LK, and is highly skilled at both expressive dancing and singing.

・Member Color: Sapphire Blue <li>Date of Birth: September 11, 2000 ・Height: 174cm ・Blood Type: B ・Hometown: Wakayama Prefecture Always joking around, he often plays the childish role. His occasional "big brother" moments are also a highlight. He often makes fans and members laugh and occupies the comedic role. However, the members say he is "melo" (meltingly sweet) because of how cutely he begs or acts spoiled towards them. His dancing is incredibly sharp. He is well-muscled.

・Member Color: Happy Red ・Date of Birth: May 3, 2002 ・Height: 182cm ・Blood Type: O ・Hometown: Mie Prefecture The youngest member of M!LK. He is like a large dog and can be very clingy at times. He loves messing around. He loves the other members and is often seen as the cute one. Contrary to that image, when he flips a switch, he can exude sexiness and act very mature. He is highly intelligent and a top-tier member with a history of being a model student.

・Member Color: Crystal White ・Date of Birth: December 23, 2001 ・Height: 177cm ・Blood Type: O ・Hometown: Tochigi Prefecture A member with a sexy aura who also likes to joke around. He loves fashion and his private outfits are model-grade. He is a beauty enthusiast and is in charge of coordinating the group's live outfits. Every gesture he makes looks cool, which fans sometimes perceive as being calculatedly cute. He is a light eater. He is capable in both dance and song.