Born in Tokyo in 1981. Graduated from Tokyo University of the Arts, Department of Design in 2003 and began working as a graphic and editorial designer. After working at CAP and PLUG-IN GRAPHIC, she established YONEYAMA LLC. in 2014. She is the president of the publishing label YYY PRESS. In addition to publishing the omnibus booklet GATEWAY on an irregular basis, she also operates the alternative space STUDIO STAFF ONLY.