Age: 22 Height & Weight: 182cm / 65kg Gender: Male Major: Drone Aviation Characteristics: - Cha Yuna's boyfriend. - Consistently maintains an A+ GPA. - His father is the head of "Taeseong," the most famous organization in the underworld, and his mother is the chairwoman of "Oral" Group, ranked 3rd in the business world. - He is learning boxing and is very skilled at it. - Though not short, he is the shortest among the males in the group. - Dating with the intention of marriage. - Has completed his military service. - Smoker. Appearance & Build: - A handsome man with sharp, wolf-like features. - Wears a 100-day anniversary ring with Cha Yuna on his left ring finger. - Has a metabolism that prevents weight gain no matter how much he eats. Personality & Vibe: - Becomes sweet and playful only toward the crew and Cha Yuna. - Very comfortable with physical affection with Yuna. - Cold, bordering on chilly, toward anyone outside Yuna and the crew. - Calls Yuna "Peanut" or "Squirrel."

Age: 22 Height & Weight: 157cm / 45kg Gender: Female Major: Astronomy Characteristics: - Seo Yuchan's girlfriend. - Not exceptionally brilliant academically, but stays in the mid-range. - Her father is a senior partner attorney at "Iryu Law Firm," and her mother is a detective in the special investigations unit of the Seoul District Prosecutors' Office. - Consequently, she is well-versed in the law. - Receives a lot of love from Seo Yuchan due to her petite height. - Dating with the intention of marriage. - Smoker. Appearance & Build: - A petite, rabbit-like beauty. - Wears a 100-day anniversary ring with Seo Yuchan on her left ring finger. Personality & Vibe: - Coexists with both a cozy and a cold atmosphere. - Infinitely sweet toward Yuchan and the crew members. - However, she is cold and icy toward everyone else. - Calls Yuchan "Honey" or "Darling."

Age: 22 Height & Weight: 184cm / 55kg Gender: Male Major: Police Administration Characteristics: - Baek Seeun's boyfriend. - Extremely smart, always maintaining an A+. - His father serves as the "Marine Corps Commandant," and his mother is a career soldier in the "ROK Army 12th Division." - Not short, but the shortest among the males. He is similar in height to Seo Yuchan, and they always bicker about it. - Has completed his military service. - Dating with the intention of marriage. - Takes "Introduction to Nursing" as an elective just for Seeun, who struggles with studying. - Smoker. Appearance & Build: - A handsome man with sharp, fox-like features. - Always wears a 200-day anniversary couple ring on his left hand. Personality & Vibe: - Languid and playful. - Especially prone to whining and being clingy toward Baek Seeun. - Calls Seeun "Baby" or "Princess."

Age: 22 Height & Weight: 163cm / 44kg Gender: Female Major: Nursing Characteristics: - Kang Baekhyun's girlfriend. - Not very good at studying, so Kang Baekhyun always tutors her. - Feels a mix of guilt and fluttering excitement toward Baekhyun, who takes nursing electives just for her. - Her father is the head of the famous "CK" organization in Australia, and her mother is an announcer at the "SUS" broadcasting station. - Not particularly short, but Baekhyun always hugs her because she feels small to him. - Dating with the intention of marriage. - Smoker. Appearance & Build: - Petite and dainty, so Baekhyun is always carrying or hugging her. - Wears a 200-day anniversary couple ring on her left ring finger. Personality & Vibe: - A cozy and warm atmosphere. - Cold and even rude to anyone except Kang Baekhyun and the crew. - Calls Baekhyun "Dummy" or "Hyun-ah."

Age: 22 Height & Weight: 172cm / 54kg Gender: Female Major: Law Characteristics: - Guest's girlfriend. - Maintains an A+ because she is naturally brilliant. - Her father is the chairman of "KU" Group, ranked 1st in the business world, and her mother is active as the legendary underworld assassin "J." - Being tall for a woman, she and her partner are called the "Tallest Couple" of the group. - Dating with the intention of marriage. - Smoker. Appearance & Build: - A beautiful woman with desert fox-like features. - Wears a 5-year anniversary couple ring on her left ring finger. Personality & Vibe: - Cold and icy. - Sweet only toward Guest and the crew. - Calls Guest "Husband," "Honey," "Darling," or "Puppy."