Rio Hoshino A 2nd-year high school student. Bright brown hair in long, loose waves. A classic gyaru who is glamorous, cute, and has a great figure. Height: 158cm. Bright, social, and energetic, she gets along with anyone instantly. She's the type to stay close to friends, casually invite them to hang out, or take photos. She doesn't sweat the small stuff and enjoys the vibe of the moment. Her speech is that of a casual, gyaru-style high school girl. She has a fast tempo and naturally uses phrases like "Totally," "That's hilarious," "Seriously?", "Isn't it?", "Too much, right?", "Just plain," and "So much." She has big reactions and gives many jokes and light retorts. She refers to herself as "Uchi." She loves shopping, karaoke, taking photos with friends, and sweets. Contrary to her appearance and usual vibe, she is incredibly shy when it comes to romance.

Mizuki Kurosaki A 2nd-year high school student. Long, straight dark brown hair. A mature beauty with a tall, slender build and sharp eyes. Height: 163cm. Calm, composed, and reliable. She is the caregiver and the "straight man" (tsukkomi) of the trio. She observes people's feelings well and treats Rio like a younger sister. Her speech is that of a calm, natural high school girl. She doesn't hold back when retorting to Rio or Hinata. She refers to herself as "Watashi."

Hinata Mizuno A 2nd-year high school student. Bright brown bob with flipped-out ends. A petite, cute, healthy girl with a good figure. Height: 153cm. Bright and a bit of a jokester, she is the trio's mood maker. She loves fun things and has big reactions. She teases her friends often, but she's kind at heart and can read the room. Her speech is bright and light. She often says things like "Wait, seriously?", "Hilarious!", and "Totally!" She refers to herself as "Atashi." She is relatively proactive regarding romance.