🇰🇷 Jin (Kim Seok-jin)

Kim Seok-jin was born on 4 December 1992 in Gwacheon, just south of Seoul, and grew up in Anyang. His family ran a registered construction business and was financially comfortable. Jin was, by his own and his family's accounts, an academically average and personally easy-going child who imagined himself becoming an actor rather than a singer; he was studying acting at Konkuk University when the trajectory of his life was redirected, in a way he has retold often, by a bus stop.

In 2010, on his way home from class, a Big Hit Entertainment scout approached him on a Seoul street and handed him a card. He had no prior music training. He was, in his own description, picked up for his face. He spent the next three years inside the Big Hit trainee system learning to sing, dance and inhabit the persona that would, in retrospect, be his most consistent professional asset: the elegant, self-mocking, slightly bewildered hyung (elder brother) at the centre of a group of younger men.

Inside BTS he sings the second-tenor and lead-melody parts — Epiphany (2018), Awake (2016), Moon (2020) are the canonical solo showcases — and on stage he has been the group's principal source of structured humour. The self-applied nickname Worldwide Handsome started as a deflective joke about Korean and Western media commenting on his face at international red carpets; he kept it because, in his words, it shortened a conversation he did not want to have. Inside the K-pop industry, where being identified as the visual is a contested honour, Jin's casual repurposing of the title as a punchline was widely read as a small declaration of independence.

His solo single Super Tuna, released for free on his 27 December 2021 birthday, was a deliberately ridiculous trot-pop track about a tuna swimming through the East Sea. It became a Korean meme, charted on Spotify, and was performed by him in costume at fan events for the next two years. The 2022 collaboration with Coldplay, The Astronaut, written by Chris Martin and the band as a parting gift before Jin's military enlistment, debuted at number 51 on the Billboard Hot 100 and was performed live with Coldplay at the Estadio Mas Monumental in Buenos Aires on 28 October 2022.

Jin enlisted in the South Korean Army on 13 December 2022 — the first BTS member to do so — and served eighteen months in the 5th Infantry Division on the front-line area of Yeoncheon, near the DMZ. He was promoted to sergeant. He was discharged on 12 June 2024. The discharge ceremony was attended by all six of the other BTS members.

He returned to a substantially altered industry. In the eighteen months Jin was in uniform, NewJeans had erupted, the HYBE-ADOR civil war had unfolded, and the K-pop landscape had absorbed three more Billboard 200 number-ones from Stray Kids. His first solo album, Happy, was released on 15 November 2024. The lead single, Running Wild, debuted in the top thirty of the Billboard Hot 100 and earned Jin his highest solo Hot 100 entry.

Inside the BTS members' own internal pecking order, Jin functions as the structural older brother — the one the others tease in interviews and instinctively defer to in dorm-life anecdotes. The role is older than the band: it is the eldest-son role in a traditional Korean family, and the band has, with some intent, kept it visible at every red carpet and every variety show. Jin has, in interviews since his discharge, said he wants to act, to cook, to fish, and eventually to retire to a quiet life. The cumulative sales of his solo work suggest the quiet retirement will be a while coming.

The fishing detail is not an idle remark. Jin owns a recreational fishing boat and has, since approximately 2019, used his fishing trips as an off-grid recuperation routine documented across the BTS variety show Run BTS. The hobby produced, in 2021, the Super Tuna song that became one of the most-screened K-pop fan dances of the decade and that he has, post-discharge, refused to retire from his setlist. He is also, by his own account, a competent home cook — a habit anchored in his Konkuk-era student-flat life — and was filmed in 2024 making seolleongtang from scratch on the band's official YouTube channel, an episode that drew more than 30 million views in its first month.

The 2024 Happy era reframed Jin commercially. The album was structured as a single thematic record — twenty-eight minutes, eight tracks, almost all up-tempo — and the lead single Running Wild was paired with a music video filmed in Prague. The album outperformed industry expectations for a first-solo BTS member returning from service. The follow-up activity through 2025, including a fan-meeting world tour announced before the group reunion, has placed Jin as the public face of the BTS comeback runway through the back half of the year.