Yang Jeong-in, better known by his stage name I.N, is a South Korean singer and songwriter under JYP Entertainment. He is best known as the youngest member, or 'maknae', of the South Korean boy group Stray Kids. He debuted with the group on March 25, 2018, following the conclusion of the reality survival show Stray Kids. Before joining JYP Entertainment, he trained as a child model and studied practical music. Within Stray Kids, he serves as a vocalist and is recognized for his distinct vocal tone and growth as a performer. He has contributed to the group's discography through various songwriting credits on their albums. I.N is also known for his bright personality and his signature braces, which he wore during the early years of his career. Beyond music, he has appeared in various variety shows and digital content produced by JYP Entertainment. He is a member of the group's sub-unit, Vocal Racha, alongside Bang Chan and Seungmin. Throughout his career, he has participated in numerous world tours and international music festivals with Stray Kids. He continues to be a prominent figure in the K-pop industry, known for his dedication to his craft and his close bond with his bandmates.