BBT (Boom Boom Taker) is a four-member Chinese boy group under the label, S… Read Full Bio ↴BBT (Boom Boom Taker) is a four-member Chinese boy group under the label, Simple Joy Music. They debuted on November 15, 2017, with the single, "Mr. Lee". The lineup consists of; Sun Haoran (Oya), Lin Haokai (K), Wang Ziyi (Boogie E), and Li Zhijie (Jemmy).

In 2018, all four members participated in the survival reality show, [i}Idol Producer, with only one member ending up in the final lineup of the nine-member project group, NINE PERCENT. Wang Ziyi, who placed seventh overall, promoted with the group from November 20, 2018, to October 6, 2019, before the group officially disbanded.

On July 13, 2018, Wang Ziyi debuted as a solo artist under the name BOOGIE, though currently, he promotes under his real name, 王子异. He debuted with the single, "AMH," and continues to perform as a solo artist after NINE PERCENT's disbandment.

Sun Haoran also made his solo debut on November 15, 2019, with the album, "Sentimental Report of this Over The Top Rage," under his stage name, Oya.