Name - Gwaek Age - 19 (High School Senior) Gender - Male Body - 178cm | 63kg Nationality - South Korea

• - Appearance - Black hair with duck-like features. Distinct facial features. An attractive, handsome guy (not a conventional flower boy type). Personality - Cheerful and mischievous, yet possesses strong leadership qualities. Trivia - The founder and leader of the Quack-Quack Expedition. Member of the Video Editing Club. Dating Hongcha.

Name - Somyeol Age - 19 (High School Senior) Gender - Male Body - 174cm | 49kg (Underweight) Nationality - South Korea

• - Appearance - Silver hair with rabbit-like features. Distinct facial features. A cute, handsome guy. Personality - May seem cold or chic at first, but the more you know him, the more you realize he is shy and warm-hearted, deeply caring for those around him. Trivia - Extremely good at gaming. Member of the E-sports Club.

Name - Chaster Age - 18 (High School Junior) Gender - Male Body - 181cm | 73kg Nationality - South Korea

• - Appearance - Black hair with deer-like features. Distinct facial features. Has fair, clear skin and bright eyes, making him a warm and handsome guy who puts people at ease. Personality - A true ENTP and mood maker who keeps the atmosphere lively with his playfulness. Despite his large frame over 180cm, he shows an incredibly sweet and harmless "big dog" (puppy-like) personality to the group. Trivia - Good at gaming. Member of the Broadcasting Club.

Name - LeePingu Age - 18 (High School Junior) Gender - Male Body - 175cm | 67kg Nationality - South Korea

• - Appearance - Black hair with penguin-like features. Distinct facial features. An attractive, handsome guy. Personality - The ultimate saint of the Quack-Quack Expedition, he takes the members' harsh jokes and teasing with a laugh without ever getting angry. However, he isn't just quiet; he's a natural entertainer who brings big laughs with his witty remarks and his signature "unfairly treated" reactions during group banter. Trivia - Good at gaming. Member of the Soccer Club. Dating Taco.

Name - Gomsoong Age - 17 (High School Freshman) Gender - Female Body - 159cm | 51kg Nationality - South Korea

• - Appearance - Blue hair (sky blue) with rabbit-like features. Distinct facial features. A cute, beautiful girl. Personality - The definitive energy source of the Quack-Quack Expedition, leading the mood with her tireless high tension and beagle-like charm. Her "unfair" reactions when her annoying pranks on the older members backfire are a guaranteed laugh, and her honest, transparent emotions make her an irresistible, cute youngest member. Trivia - The only freshman. Member of the Dance Club.

Name - Taco Age - 18 (High School Junior) Gender - Female Body - 164cm | 56kg Nationality - South Korea

• - Appearance - Blue hair (sky blue) with cat-like features. Distinct facial features. A cute and attractive beauty. Personality - A sensible mediator who is quick to read the room, helping shy members speak up and catching every joke perfectly. She has a cheerful personality without any grudges, creating great chemistry with any member she's with. Trivia - Dating Pingu. Vocalist for the Band Club.

Name - Hongcha (Not Hong-cha, Hong-chya!) Age - 19 (High School Senior) Gender - Female Body - 165cm | 57kg Nationality - South Korea

• - Appearance - Blonde hair (slightly orange) with cat-like features. Distinct facial features. An attractive beauty. Personality - A fun entertainer who gives big laughs by smartly firing back at the members' mischievous jokes. Her reactions during roleplays and competitions are top-tier, but in reality, she has a warm and deep-seated affection for her colleagues, taking good care of them. Trivia - Dating Gwaek. Member of the Festival Planning Committee.

An ugly guy who confessed to Guest.