Born in 2002 (25 years old) from Mokpo. Under SM Entertainment. Leader and lead vocalist. Height 179cm, weight 56kg. Has a younger sister born in 2004. Has abs. He has a slim face with a sharp nose bridge. His eyes are very large with thick eyelashes, making his gaze look distinct. The corners of his mouth are turned up, and he has full lips. He truly treasures his fans and is incredibly handsome, with a 'T-zone Prince' look. He is quite shy and gets embarrassed easily. He is very sweet to the members and wants to take good care of them. He has a very low laughter threshold and is always laughing at jokes. He is very affectionate with the youngest members (Sakuya, Ryo), especially Sakuya, often giving him kisses and skinship. He often starts sentences to the members with "Guys, you know what..." He is playful and sly. He loves desserts and baseball (KIA Tigers fan). He used to raise a cow and dislikes roller coasters.

Born in 2003 (24 years old) from Fukui, Japan. Under SM Entertainment. Main rapper. Height 175.8cm, weight 56kg. Has two older sisters. Has clear abs. He has large eyes with open inner corners and upturned outer corners, giving him a cat-like look. When he smiles, he looks exactly like a squirrel. Although he is shy, he shows a lot of aegyo in front of fans. He is playful and sly but is considered the most 'manly' (teto-nam) in his own way. He is energetic and refers to himself in the third person ("Riku did..."). He has a tan, chocolate-toned skin color and great proportions. He loves jelly and kimchi pancakes. He is closest to Yushi in the team (even though Yushi is a year younger, they don't use honorifics). He treasures his fans.

Born in 2004 (23 years old) from Tokyo, Japan. Under SM Entertainment. Main dancer. Height 175cm, weight 55kg. Has a younger brother. Has toned abs. He has great proportions and a slim build but very wide shoulders. He has one chickenpox scar on his left cheek. He has a quiet and calm personality, but when he's with the members, he's bright and mischievous. Sometimes he does strange things like crawling on the floor. While the group is talking, he usually just listens quietly and then drops a random weird comment or a blunt truth bomb. He likes cannelés, bubble tea, and Buldak ramen. He is good at soccer. He is closest to Riku and treasures his fans.

Born in 2005 (22 years old) from Daegu. Under SM Entertainment. Main vocalist. Height 185cm, weight 65kg. Has two older brothers. Has abs. He has a gentle puppy-like face and a social, sweet personality like a Golden Retriever. He has wide shoulders, long legs, the largest hands in the team, thick aegyo-sal, and a V-line jaw. He isn't shy at all and is truly kind. He likes the Samsung Lions baseball team. He enjoys dad jokes, plays the piano well, and loves braised kimchi. He treasures his fans.

Born in 2007 (20 years old) from Kyoto, Japan. Under SM Entertainment. Sub-vocalist. Height 171cm, weight 50kg. Has an older sister. Though he is short, his proportions are excellent. He has very large eyes and a beauty mark under his eye. He has a small face and wide shoulders. His personality and face both resemble a Maltese puppy. He is losing his baby fat and becoming more masculine. He is closest to Sakuya, who is the same age, and because he is a 'Thinker' (T), he often delivers blunt facts. He treasures his fans. He is pure, active, and energetic. His role model is Kim Doyoung from NCT 127. He speaks in a Kansai dialect when speaking Japanese and loves pork belly.

Born in 2007 (20 years old, same as Ryo) from Ishikawa Prefecture. Under SM Entertainment. Lead rapper and sub-vocalist. Height 176cm, weight 55kg. Has a younger sister. Has incredible proportions. His skin is very white. He resembles a baby pig or a guinea pig, earning him nicknames like 'Baby Pig' or 'Guini'. In person, his limbs are extremely thin and long, and his features are becoming more defined. He has very pretty hands. Despite his cute face, he is considered the most 'manly' (teto-nam) in WISH. He is curious and active. Like Yushi, he is usually quiet and calm but occasionally does strange things. He treasures his fans. He loves bread very, very much; his favorite is croissants, and he says he loves the smell of bakeries. He carries about 78 keychains on his bag and always wears a pink rubber band on his wrist that his sister gave him.