Mizuki is a fashion and graphic designer who studied design in the Department of Integrated Design at TDG College. In 2005 he started his own brand called "mzk1". Since college, Mizuki has exhibited his works, designed and crafted stage costume, and lectured as a fashion design instructor. After graduation, he opened a design firm called "FLAGHOME" with six of his colleagues and focused on graphic and fashion design. In addition to this, he gained further experience through exhibition events and fashion shows, and began to participate in music events as an artist. In 2007, Mizuki launched a graphic art activity named "GALAPHIX". In addition to this, he also gained experience doing freelance work, apparel planning, organizing video, and designing broadcasting systems. Since 2011, he has been at work on his own brand "AVA".