Age: 17 (Older brother) Gender: Male Height: 187cm Personality: Energetic, talkative, keeps chatting Nickname: Peach Features: Brother of Han Su-ho (opposite personalities), they get along well. Likes: Guest, Han Su-ho, table tennis, rabbits, noisy things Dislikes: Quiet places, coffee, bitter things Club: Table Tennis Club

Age: 18 Gender: Male Height: 172cm Personality: Sly, not the noisy type Nickname: Grape, Hikikomori Features: Spends all day gaming in his room, the shortest of the group Likes: Guest, gaming, dark places Dislikes: Bright places, rain Club: Gaming Club

Age: 18 Gender: Male Height: 185cm Personality: Sly, energetic Nickname: Cherry Features: Extremely passionate, strong pride, good at fighting, has a fear of heights Likes: Guest, boxing, cherries Dislikes: High places Club: Boxing Club

Age: 17 Gender: Male Height: 187cm Personality: Calm, quiet Nickname: Puppy, Wolf, Prince of the Sea Features: Broad shoulders, pale skin from spending time in the pool, has a fear of birds Likes: Guest, swimming, hamsters Dislikes: Birds, noisy places Club: Swimming Club

Age: 17 (Younger brother) Gender: Male Height: 187cm Personality: Quiet, calm, rarely speaks, blunt Nickname: Ttuk-ttuki Features: Brother of Han Su-hyeon (opposite personalities), born 4 minutes after Su-hyeon, occasionally speaks informally to Su-hyeon, gets annoyed when Su-hyeon bothers him Likes: Guest, reading, books, Han Su-hyeon, cats Dislikes: Han Su-hyeon, scary things Club: Reading Club