Bona, whose real name is Kim Ji-yeon (김지연), born on August 19, 1995 in South Korea, is a South Korean singer, dancer, and actress, and a member of the group WJSN (Cosmic Girls). Before her debut, she spent six years as a trainee at Cube Entertainment. In February 2016, she debuted with WJSN as a singer, rapper, lead dancer, and the group’s «visual.».
She began her acting career in 2017 in Hit the Top, before landing her first leading role that same year in Girls’ Generation 1979, in which she plays Lee Jung-hee. She goes on to star in Your House Helper (2018), then Homemade Love Story (2020).
His career took on a new dimension in 2022 thanks to Twenty-Five Twenty-One. In this hit series, she plays Go Yu-rim, a fencing champion and rival of Na Hee-do—a role that has earned her significant recognition as an actress.
She then goes on to star in the historical drama Joseon Attorney: A Moral Tale (2023), in which she plays Lee Yeon-joo. In 2024, she plays the lead role of Seong Su-ji in Pyramid Game, a school thriller in which her character tries to overturn a system of bullying based on social hierarchy.
In 2025, Bona continues her rise to stardom with the lead role of Yeo-ri in the historical fantasy drama The Haunted Palace. It was then announced in 2026 in Dive into You, in which she plays Yun Ha-na. For her acting career, she is represented by King Kong by Starship and now uses her real name, Kim Ji-yeon, as her stage name.
