Triger.

TRIGER, formerly known as TRIGGER, was a South Korean boy group managed by NDY Entertainment (formerly DY Entertainment), made up of 4 members: Shark-T, Rio, Roa, and Ato. Another profile detail is that The group began activities in 2016 and 2017 in China, and served as cultural ambassadors at the Korean Cultural Center in Shanghai. They officially made their debut on March 6, 2019, through the single album Busted, featuring the original lineup of Shark-T, Rio, Won, and Shawny. The profile also notes that TRIGER is primarily active in Japan. Another profile detail is that The group disbanded after their final performance on March 7, 2026.