'''Liu Zhang''' atau kerap disapa '''AK''' ({{lahirmati||18|12|1999}}) adalah seorang rapper dan penyanyi berkebangsaan ChinaTiongkok. Di tahun 2020, ia berpartisipasi di "Rap for Youth" namun tereliminasi. Kemudian pada tahun 2021, ia mengikuti survival show milik [[Tencent]], "[[Produce Camp 2021|Chuang 2021]]".<ref>{{cite news |title=AK劉彰向蔡徐坤道歉 |url=https://www.singtao.ca/4783703/2021-02-21/post-ak%E5%8A%89%E5%BD%B0%E5%90%91%E8%94%A1%E5%BE%90%E5%9D%A4%E9%81%93%E6%AD%89/?variant=zh-hk |accessdate=2021-04-24 |work=星島日報 |date=2021-02-21 |location=多倫多 |archive-date=2021-04-28 |archive-url=https://web.archive.org/web/20210428053507/https://www.singtao.ca/4783703/2021-02-21/post-ak%e5%8a%89%e5%bd%b0%e5%90%91%e8%94%a1%e5%be%90%e5%9d%a4%e9%81%93%e6%ad%89/?variant=zh-hk |dead-url=no }}</ref> AK meraih peringkat ke-11 pada survival show tersebut dan debut sebagai anggota boygroup [[:en:INTO1|INTO1]].<ref>{{cite news |title=创造营男团INTO1名单公布：刘宇获中心位，赞多力丸分获第二三名 |url=https://new.qq.com/rain/a/ENT2021042401119127 |accessdate=2021-04-25 |work=腾讯娱乐 |publisher=腾讯网 |date=2021-04-24 |archive-date=2021-04-26 |archive-url=https://web.archive.org/web/20210426054626/https://new.qq.com/rain/a/ENT2021042401119127 |dead-url=no }}</ref>
