Kang Seok-hwa is a vocalist whose pre-debut career included the television competitions YG Treasure Box and Produce X 101. His performance background contributed to the formation of WEi in 2020.

After the group’s debut, Seokhwa participated in the IDENTITY trilogy, Love-series releases, and the 2025 comeback The Feelings and Wonderland. His strengths are most evident in the group’s vocal sections and stage performances.

WEi announced a greater focus on personal and unit activities in March 2026. As an independently released solo album or solo music video could not be verified, this page intentionally does not contain a solo-video section.