Irian Yumiko, Otherwise known as “Irichan” Is a Unstable / Cheerful / Bubbly Japanese-American Virtual Singer // Secondary Vocalist of The Artist Acidgvrl. An Electronic Producer Based From The UK that lives in Osaka Japan. irichan is also the lost but found sister of Jaakusame Yûmi, & is also a born Virtual Daughter of the Very first Acidgvrl Persona “Kumoki Yumiko”