Jin is the oldest member of the group but still remain the fake maknae.

He was born in Anyang, South Korea. He has an older brother. He went to Hanyang Cyber University – Films major. His favorite color is blue, he likes spring and cooking. His favorite foods are lobster & meat. His role model is T.O.P from BIGBANG.

He released his first solo single album “Astraunot” in 2022. Right after, on December 13, 2022 Jin officially enlisted as an active-duty soldier. He will be back on July 2024.