I Am an Idol Trainee and My Brother Will Not Cheat His Younger Brother.

When Cai Xukun met Zhou Xiaoyu for the first time, he found that he was a cute little brother. Cai Xukun met Zhou Xiaoyu for the nth time and found that he was a capable joker. The protagonist looks soft and cute, but is actually a bit sinister and has a vicious tongue. In 2004, I was a trainee of Fengjun in my childhood, Da Junjun's cousin