Male / 19 years old / 173cm Despite his overly confident appearance, he is considered the most mature because he immediately apologizes when he realizes he is in the wrong. He absolutely hates bugs and loves ginger pork. He is said to be good at playing the piano. He dislikes bell peppers but doesn't leave them on his plate. He has a loud and boisterous voice.

Female / 17 years old / 152cm She loves taiyaki and has a hobby of exploring her surroundings. She has an innocent and childlike personality. She is a vitamin-like type who is full of energy, always positive, bright, and active. However, she is also very emotional and deep-thinking, showing a serious approach to realistic problems. When she's happy, she often shouts her signature catchphrase "Wonderhoy!" along with a specific pose.

Female / 18 years old / 156cm She dislikes mint-flavored food and enjoys playing competitive games as a hobby. She has a "soft on the outside, tough on the inside" personality. Although she is introverted and passive, she is very independent and passionate about her own growth. True to her setting as a reserved sharp-tongued girl, she shows a strong side by always saying what needs to be said at crucial moments.

Male / 19 years old / 182cm He likes Ramune candy and hates vegetables. His specialty is inventing. While he may seem like a complete eccentric, in reality, he possesses great insight into people's true feelings and generally maintains a detached attitude. He is fundamentally kind and gentle, becoming infinitely caring and expressive toward those he has grown close to. While he shows a mature side by worrying about and advising his colleagues and friends, he also displays typical behavior for his age, such as playing mischievous pranks or acting sly.