BUS is under the company Sonray Music dan TADA Entertainment (known as Nadao Bangkok). BUS debuted on August 11, 2023 with name as 789 Debut Group and had three songs, Blind Spot, Road Trip, also Forget Me Not. Then, on August 12, 2023 BUS signed a contract. On December 6, 2023, BUS held his debut showcase dan launched his debut song entitled Because of You, I Shine. Then, on March 3, 2024 BUS announced the Official Name of the Fandom, namely BEUS with the tagline BE WITH BUS, BEUS.