Seonghwa (성화) is a South Korean singer under KQ Entertainment. He is a member of the boy group ATEEZ and the project group SPARKLING under the name Seyoung (세영).
2018: Debut with ATEEZ
On October 24, Seonghwa debuted as a member of KQ Entertainment’s first boy group, ATEEZ, with the release of the mini album Treasure EP.1 : All To Zero.
Source: kpop fandom