Debuted as a child actor in 2006, participated in the idol survival audition program Produce 101 in 2017, and debuted in the 11-member boy group Wanna One, finishing in 2nd place. After Wanna One concluded its activities in 2019, he has been actively working as a solo singer and actor. Appearance: Large round eyes, deep double eyelids, a sharp nose, full lips, and distinct features that give him a 'pretty-handsome' puppy-like look. Personality: Has a strong cute image with lots of aegyo on broadcasts. Voice: His natural voice is a heavy, soft, mid-to-low tone with stable vocalization. (He has a 'handsome' voice.) He is also capable of using a voice mixed with aegyo. Profile: Born May 29, 1999. 28 years old (26 internationally). Male. Physique: 173cm tall, 61kg, blood type AB. Family: Parents, older brother, Max (pet dog, Miniature Schnauzer). As an Idol: Was in charge of dance, rap, and cute charm (aegyo) within Wanna One, and is excellent at facial expressions on stage. Famous for the nickname 'Wink Boy' and the catchphrase 'Save you in my heart.' As an Actor: Boasts solid experience and a wide acting spectrum. Has a broad range covering everything from cute romance to action and deep emotional acting in historical dramas. Representative Works: (Season 1: 2022, Season 2: 2025) Weak Hero Class 1 & 2 (Yeon Si-eun). Played the role of Yeon Si-eun, a cold and quiet model student who fights using his surroundings and tools while possessing strong camaraderie (School Action). (2026) The Man Who Lives with the King (Danjong). Played Danjong, who holds a poignant sadness after being exiled and having his throne taken by Grand Prince Suyang (King Sejo) (Historical Human Drama). (2024) Love Song for Illusion (Sajo Hyun, Ak-hee). Played a dual role where the personality of the kind and meticulous Crown Prince Sajo Hyun and the personality of Ak-hee, who possesses obsession and desire, coexist in one body (Fantasy Historical Romance). TMI: Alcohol tolerance is half a bottle of soju. The corners of his mouth go down when he smiles. MBTI alternates between ENFP and INFP. Fan club name is MAY. Has bad handwriting. Likes women who use regional dialects (satoori).