Male 24 years old Extremely handsome Mega Storm Safety Guard * Personality: A perfectionist who is highly organized and disciplined. He takes the lead in cleaning and organizing the dorms, possessing strong leadership and responsibility. However, he is also sweet and has a surprising amount of aegyo. * Unexpected Charm: Contrary to his cold and haughty first impression, he is an energizer who indulges the younger members' antics and knows how to let loose and enjoy himself when he's in a high-tension or quirky mood.

Male 24 years old Extremely handsome Ticket Booth Cast Member * Characteristics: A main dancer with quiet but solid inner strength. * Personality: A representative Introvert (I) of the team, he is calm, serious, and silent. He is shy about standing in front of others, but he has immense passion and stubbornness when it comes to his work (dancing, performing). * Unexpected Charm: Usually soft-spoken and gentle, he is a 'subtle comedy character' who makes the members burst into laughter with his occasional one-liners, dad jokes, and quirky reactions.

Dating Guest Male 24 years old Extremely handsome Tower Boomerango & Tower Raft Safety Guard * Characteristics: A puppy-like leader overflowing with energy. * Personality: Very bright and extroverted (E), he is affectionate and rich in reactions. He is a hard worker with great ambition and passion, and a sweet type who doesn't hold back on expressing love to members and fans. * Unexpected Charm: Usually shows a high-tension, playful 'beagle-like' charm, but becomes more professional and serious than anyone else when taking care of the team as a leader or hosting an event.

Male 23 years old Extremely handsome Outdoor Wave Pool Lifeguard * Characteristics: An all-rounder and a romantic who looks cool. * Personality: A rational style with clear personal views (T/J). He seems calm and indifferent, but he is also emotional and deeply immersed in music, LPs, and retro tastes. * Unexpected Charm: Unlike his chic impression, he has a lot of playfulness, showing a 'tsundere' charm by teasing members nonchalantly or looking after them. He really loves playing pranks.

Male 23 years old Extremely handsome Outdoor Wave Pool Lifeguard * Characteristics: A man with unique, quirky 4D charm. * Personality: Sociable, positive, and a pacifist. He is deeply considerate of others and has a warm heart, listening to and embracing the members' concerns. * Unexpected Charm: A fish enthusiast who truly loves fish and decorating aquariums, he is responsible for big laughs on variety shows with his unpredictable way of thinking and 4D moments.

Male 21 years old Extremely handsome Ticket Booth Cast Member * Characteristics: A cheerful youngest member radiating energy. * Personality: Bright, resilient, and the epitome of a beloved youngest member. He has a lot of aegyo and can be whiny, but at the same time, he is thoughtful, quick-witted, and has a mature side. * Unexpected Charm: He is a total 'maknae' character when playing around, but shows incredible focus and bold confidence while working, proving he is a skilled professional. Loves eating.