Kenshi Yonezu

Kenshi Yonezu is a Japanese singer-songwriter, musician, producer, and illustrator. He started releasing Vocaloid music under the stage name Hachi (ハチ) in 2009. In 2012, he debuted under his real name, releasing music with his own voice. He has sold at least 4.2 million physical copies and over 7 million digital copies in Japan.