Huanji 45 Miao

The story takes place in a fictional future Chongqing. Xiao Bu, a rap prodigy, becomes withdrawn and isolated after his sister leaves him, no longer willing to face the stage. By chance, Xiao Bu meets Angelina Jolie, a popular virtual idol, and with her help, leads the Keep Real team back to the "45-Second Counterattack" rap battle stage to pursue their musical dreams.

(Source: Youku, translated)