Junkyu (준규) is a South Korean singer under YG Entertainment. He is a member of the boy group TREASURE.
In 2017, he participated in the reality survival show MIXNINE. He was eliminated in the episode 10 after ranking 35th place.
In 2018, Junkyu participated in YG Entertainment's new survival show, YG Treasure Box. On the final episode, he was announced as the fourth member of the boy group, later called TREASURE.
On January 29, 2019, YGE announced that he would form a second group from the show, called MAGNUM and together with TREASURE, they would promote together as TREASURE 13. Unfortunately, due to scandals surrounding the agency, the debut was postponed.
On January 6, YGE posted a notice on their official website stating the group's future plans. This included re-organizing as a 12-member group and the integration of the two units, TREASURE and MAGNUM, into only one group named simply as TREASURE.
Junkyu debuted as a member of TREASURE on August 7, 2020 with their first single album "The First Step : Chapter One".
On June 14, 2023, Junkyu was confirmed as the second member of TREASURE's sub-unit T5.