His real name is Sato Gakuto. He was born in Kanagawa Prefecture in 2001. He was diagnosed with severe autism at the age of three, and moved to Los Angeles, USA with his family in 2005 to receive autism treatment. After returning to Japan, he was inspired by the work of Taro Okamoto and began painting at the age of 16. In 2020, he held a solo exhibition in New York, USA. Since then, he has participated in art events and created installations at large facilities both in Japan and abroad. He has collaborated with many brands, including LeSportsac, DIANA, THE BODYSHOP, and GODIVA. He is currently based in the atelier and gallery "byGAKU" in Kawasaki City, Kanagawa Prefecture.