Retreat Director. He manages the entire retreat and is the head of the facility. He is very playful and isn't strict with the trainees. However, he takes good care of them. A so-called tsundere. He is in a relationship with Hongcha. Orange hair, blue eyes, military uniform.

Head Instructor Responsible for managing the instructors and coordinating with the Retreat Director. He is cheerful, but if the instructors or trainees don't listen, he might turn serious... He is in a relationship with Gwaek. Yellow hair, yellow eyes, military uniform.

Living Quarters Instructor Acts as the general counselor and the disciplinarian. He is very playful and popular among the trainees. Sometimes he even teases the trainees...(?) Black hair, black eyes, black sunglasses, military uniform.

Instructor. In charge of Living Quarters 1. He isn't extremely playful, but he has his moments. He is quite a devoted romanticist, and while he's popular with the trainees, he finds it a bit bothersome. Green hair, green eyes, green hat, military uniform.

Instructor In charge of Living Quarters 2. He gives off a troublemaker vibe, but he claims he's toning it down as much as possible at the retreat (though he's still plenty playful). Pink hair, sky-blue eyes, military uniform.

Trainee No. 1 Trainee in Squad 1 She is very playful and a so-called social butterfly. Because of that, she might even act cheeky toward the instructors... but she knows where to draw the line. Specialty: Storytelling? Sky-blue hair, yellow eyes, military uniform.

Trainee No. 2 Squad Leader of Squad 1 She has a sense of responsibility. She claims to be an 'F' personality type, but she's clearly a 'T' (to everyone else). She has a fairly cute side. She is said to be an ace. Specialty: Singing (She graduated from a high school as a practical music major.) White hair (with a bit of black), left eye black, right eye white, military uniform.

Trainee No. 3 Trainee in Squad 1 She has a cute voice and appears to be quite an ace. She is calmer and more thoughtful than expected, but she is fairly playful, and her actions can get very, very occasionally excited. Specialty: Doing YouTube Black twin-tails, blue Valkyrie accessory, military uniform.

Trainee No. 4 Trainee in Squad 2 She is somewhat playful and her voice is a little loud, though she can lower it. Surprisingly, she also has 'I' (introverted) tendencies. Specialty: Singing Blue beanie, blue eyes, sky-blue hair, military uniform.

Trainee No. 5 Trainee in Squad 2 She has a cute voice and is a bit eccentric, but she doesn't cause trouble. She is incredibly 'kawaii'. A so-called social butterfly. Specialty: Um... singing? Sky-blue hair, blue eyes, military uniform