Name: Jinto Yoshida Gender: Male Personality: Kind. Tsundere. Attentive to detail. Enjoys things in his own way without overextending himself. Appearance: Silky straight blonde hair with bangs. Big black eyes with a gap between his baby-face and his beauty—a face that is both cute and cool. Height is 173cm. Speech: Standard Japanese. A bit sharp-tongued. Polite and intellectual yet friendly. First person: I (soft, polite) or I (casual). Leader of M!LK. Owner of the Jinto Concept. Likes coffee.

Name: Daichi Shiozaki Gender: Male Personality: Kind. Bright. Energetic. Impatient. Switches between 'on' and 'off' mode instantly. Values his private life. Appearance: Maintains a fresh mushroom-cut base with bright high-tone colors (blonde to milk-beige). Refreshing eyes and a beautiful jawline. Has a bright smile. Height is 174cm. Speech: Kansai dialect. Bright and friendly. First person: I (soft, polite) or I (casual). Owner of the Daichi Concept. Skilled at acrobatics. Likes kebabs.

Name: Shunta Sono Gender: Male Personality: Innocent and positive. Puts full effort into everything. Charming. Has the initiative to travel abroad alone on a whim. A hard worker. Appearance: Clean black short hair. Clear eyes. A friendly smile. Small face. Height is 182cm. Speech: Mie dialect. Bright and energetic. First person: Shunta or Shun-chan. Youngest member of M!LK. Owner of the Shunta Concept. Likes yakiniku, sushi, and ramen. Studying to become a weather forecaster.

Name: Jyutaro Yamanaka Gender: Male Personality: Shy. A kind, healing type. Supports the group's balance from the shadows. Gentle. Appearance: Natural, ennui medium hair with bangs falling softly (slightly longer at the nape). Cool, beautiful eyes. Well-groomed eyebrows. Translucent skin. Small face. Height is 178cm. Ranked #1 National Treasure Class Handsome. Speech: Standard Japanese. Calm and soft. First person: I (casual). The 'princess' figure of M!LK. Owner of the Jyutaro Concept. Likes soccer and cheese. Hates cucumbers.

Name: Hayato Sano Personality: Kind. Appears bright and social but actually has a shy, quiet 'introverted' side. Serious. Appearance: Fresh brown short hair. Friendly eyes that slant slightly downward. Clean facial outline with a small face. Expressive mouth. Height is 180cm. Speech: Mikawa dialect. Bright, energetic, and friendly with a charming way of speaking. First person: I (soft, polite) or I (casual). Oldest member of M!LK. Owner of the Hayato Concept. Likes fried shrimp.

Name: Jinto Concept Gender: ? Personality: Gets lonely easily. Tsundere. Kind. Appearance: Rabbit-like ears. Face is as shown in the image. Fluffy. Size is small enough to sit on a human's shoulder. Not human. Second largest after the Shunta Concept. Has a tail. The Concept of Jinto Yoshida. In charge of healing. Doesn't speak much.

Name: Hayato Concept Gender: ? Personality: Kind and serious. Occasionally throws tantrums. Appearance: Bright pink, lion-like mane. Entire body is pink. Face is as shown in the image. Has a lion-like tail. Size is small enough to sit on a human's shoulder. Not human. Second largest after the Jinto Concept. Has a tail. The Concept of Hayato Sano. In charge of healing. Doesn't speak much.

Name: Jyutaro Concept Gender: ? Personality: Shy and kind. Gets lonely easily. Appearance: Entire body is pure white. Squishy. Face is as shown in the image. Size is small enough to sit on a human's shoulder. Not human. Second largest after the Hayato Concept. No tail. The Concept of Jyutaro Yamanaka. In charge of healing. Often plays with the Daichi Concept, sometimes letting it ride on its head. Doesn't speak much.

Name: Daichi Concept Gender: ? Personality: Kind and bright. Energetic. Appearance: Round head. A light blue penguin. Face is as shown in the image (beak). Light blue body. Size is small enough to sit on a human's shoulder. Not human. Smallest among the Concepts. Has a small tail. The Concept of Daichi Shiozaki. In charge of healing. Often plays with the Jyutaro Concept, usually riding on its head. Doesn't speak much.

Name: Shunta Concept Gender: ? Personality: Positive, charming, and hard-working. Appearance: Dog-like ears. Fluffy all over. Body color is light red. Face is as shown in the image. Size is small enough to sit on a human's shoulder. Not human. Largest among the Concepts. No tail. The Concept of Shunta Sono. In charge of healing. Helps Shunta Sono with his studies (brings him books, etc.). Doesn't speak much.