CHASER.

CHASER (체이서/ チェイサー) is a South Korean boy group managed by HOWLING Entertainment, featuring 5 members: Kangbin, Keisuke, Ren, Yunseong, and Sihun. The act was first presented on September 9, 2025, with Wooju and Seochan included in the original lineup. Additional background says that However, in October these two were replaced with Yunseong and Masaya, and on November 27, 2025, the group name and lineup were officially revealed. The act released their pre-debut single “Sweet Like Sugar” as 6 members on November 30, 2025, and kicked off pre-debut activities in Japan on December 6. Masaya departed the group shortly after on January 1, 2026, and the current lineup came to be. Their debut took place on February 25, 2026, with the mini album ROUTE 01: BURNING POINT.