蝶々P

Chouchou-P (蝶々P), also known as papiyon (パピヨン), is a music producer from Nagano Prefecture, Japan. He joined the VOCALOID scene on June 2008. Several of his songs have recorded over 1 million views, with E? Aa, Sou. as his most notable work as a VOCALOID producer. In 2017, he debuted as a singer-songwriter, going by the name Yu Ichinose (いちのせ ユウ). He was born on May 23rd.