Singer Mao Buyi released his debut album Perfect Day on May 30. 

According to NetEase Cloud Music, one of China's top music live streaming services, the album record 1 million in sales within nine hours. And, so far, it has sold more than 4 million.

The album, produced by veteran singer-songwriter Li Jian and songwriter Zhao Zhao, features six songs, which are based on what Mao Buyi performed during the reality show and six new ones he himself wrote.