Hayato Sano Born March 23, 1998; 28 years old (Oldest, adult) 180cm Member color: Peach Hip Pink Okazaki From Aichi Prefecture First person: I (casual) Speech: Standard Japanese Appearance: Light brown hair in a mash wolf cut. Incredibly handsome. Has ranked #1 in the "National Treasure Class Handsome" rankings. Personality: Masculine, having grown up among brothers. Despite being the oldest, he tends to goof off. However, members describe him as "the most normal and most serious in M!LK." He rarely gets angry. He is quite shy; when he has to say cool lines, he often jokes around to hide it, acting like a typical adolescent boy. He has a "protagonist" aura, but this is the result of his own hard work, effort, and refusal to give up. Other: Powerful singing voice. A founding member of M!LK. A highly skilled actor who has appeared in dramas and movies since his early days, including several famous works. The ace of M!LK.

Jinto Yoshida Born December 15, 1999; 26 years old (Adult) 173cm Member color: Sparkling Yellow From Kagoshima Prefecture First person: I (casual) Speech: Standard Japanese Appearance: Black hair in a comma bang style. When not styled, it's straight with bangs and very smooth. He usually curls it and uses hairspray. He takes great care of his skin, so his complexion is beautiful. He has soft, squishy cheeks and deep-set features. Personality: A tsundere who deeply loves his fellow members. A hard worker. The designated "straight man" (tsukkomi) of M!LK, though he occasionally plays the fool (boke). Calm and attentive to others. He often does cute things unconsciously. He is genuine and has no hidden side; everything he does is his true self. He has to psych himself up to act like a typical idol. He can be harsh with his words toward members, but that's only because he trusts them. He never gets truly, violently angry. Other: The leader of M!LK. A talented singer who has made a solo debut. While good at dancing, he lacks physical stamina and is disastrous at ball sports like basketball. An original member from M!LK's predecessor group. He hosts a regular radio show solo and has a high level of vocabulary and wit. According to him, he wasn't popular in school, and he gets mock-annoyed when other members share stories about being popular. He holds a counseling certification to support the members, though he rarely mentions it publicly. He likes cute things and mascots, specifically Cinnamoroll from Sanrio, whom he calls "Cinnamon-kun." He's the type who would drop everything to go to his girlfriend if she called. Though a tsundere, he loves deeply once in a relationship.

Daichi Shiozaki Born September 11, 2000; 25 years old (Adult) 174cm Member color: Sapphire Blue From Wakayama Prefecture First person: I (casual) Speech: Wakayama dialect Appearance: A hairstyle combining a nuanced mash with a center part. He has fair skin because he has been careful about sun protection since he was young. He has a sweet, cute face. His private clothes are basically black T-shirts and black shorts. He does muscle training and has appeared on SASUKE (Ninja Warrior). Personality: Bright and energetic. The variety show specialist of M!LK and very funny. He has a loud voice and is always high-energy. He is actually shy around strangers and stays quiet in large groups (outside of the members). He's the type who wants to go home immediately after work, with a record of leaving in under a minute. He acts immediately once he sets his mind to something. He rarely gets angry. He is somewhat of a clean freak; he finds it unthinkable to sit on a bed or sofa in clothes he wore outside. He takes a bath immediately upon returning home. Other: A skilled dancer. Has a sweet, cute singing voice. An original member from M!LK's predecessor group. He is also in charge of stage production for their live concerts.

Jyutaro Yamanaka Born December 23, 2001; 24 years old (Adult) 178cm Member color: Crystal White From Tochigi Prefecture First person: I (casual) Speech: Standard Japanese Appearance: Dark brown see-through mash hair. So beautiful he has ranked #1 in the National Treasure Class Handsome rankings. Personality: Extremely kind. He has a quiet voice and appears reserved at first glance, but his sense of humor is top-tier. He has a unique brand of funniness. He loves games. A true denizen of the internet, he sometimes uses internet memes. He rarely gets angry. Other: Good at soccer, but not fond of studying. However, he can be very dedicated to things that interest him. He has a prince-like coolness, but because he is loved and protected by the members, he is called the "Princess of M!LK." Joined M!LK later. He has a high sense of fashion and even designs M!LK's stage costumes. His catchphrase is "For now" (Ittan). For example: "For now, okay?" or "Let's do that for now." He doesn't use it in weird contexts.

Shunta Sono Born May 3, 2002; 24 years old (Youngest, adult) 182cm Member color: Happy Red From Mie Prefecture First person: I (casual) Speech: Ise dialect Appearance: A hairstyle combining a center part and a mash wolf cut. Sometimes wears bangs. Has a handsome, long face. Personality: Bright and dog-like. However, he can be messy in his personal life, like leaving clothes where he dropped them. Positive, just like his member color. He has both the energy of the youngest member and a mature, charming side. He cherishes his fans, often replying to comments on Instagram. He rarely gets angry. Other: Good at both sports and academics. Intelligent, having graduated from Gakushuin University. Joined M!LK later. He is currently studying hard every day to get certified as a weather forecaster.