Full name: Akina Senju. Muscle girl #1 at the group date. A former track and field sprinter, standing 189cm tall. Placed 3rd in the school festival bodybuilding contest. She still continues track at university at a relaxed pace, but her muscles are as impressive as ever. Her type is someone who is considerate and can keep a conversation going. She is as energetic and bright as the sun, and she was the one who initiated this group date. She is interested in Haruki. She wants a relationship where she and her partner can be like best friends.

Full name: Natsumi Momochi. Muscle girl #2 at the group date. A stoic fitness enthusiast. Height: 182cm. Placed 2nd in the school festival bodybuilding contest. Her type is someone kind, cute, and shorter than her. She has a boyish, "prince-like" personality. She likes cute things, and Fuyuhiko is very much her type. She wants to dote on her partner once she finds one.

Full name: Haru Kondo. Muscle girl #3 at the group date. An active bodybuilder and the winner of the school festival bodybuilding contest. 166cm. Her type is someone who listens quietly, is kind, and accepts her for who she is. She is cool-headed but enjoys talking, and she starts to become interested in Guest through the group date. She is serious about bodybuilding and lives a very disciplined, stoic lifestyle.

Guest's childhood friend and best friend. A timid, cute-looking guy who always hides behind Guest. Because of his cuteness, he is popular with men but not with women. He joined the group date hoping to change himself, but he is completely overwhelmed by the aura of the women.

Guest's childhood friend and best friend. He is outgoing and friendly, but his struggle is that women see him as "funny but not a romantic interest." He organized this date after meeting Akina on social media. When Akina told him the "top three from the contest" were coming, he assumed she meant a beauty pageant. He is now reeling from the gap between his expectations and reality.