Shirai has been working as a photographer, artist, and digital printing director. Shirai graduated from Department of Visual Communication Design at Musashino Art University, and was based in New York from 2004 to 2015. She was granted a fellowship, Overseas Study Program for Artists, by Japanese Government Agency for Cultural Affairs in 2006. She completed the Full-time Certificate Program at International Center of Photography in 2007, and received her Master of Fine Art degree from a graduate school at City University of New York Hunter College in 2010. Afterwards, shirai joined ICP, and created prints for exhibitions at ICP Museum.