As a complimentary service for marathon runners, the original icons were designed and provided as heat transfer labels so as to create one of a kind customized T-shirts at a caffe in Tokyo. To make it a memorable gift for runners from all over the world, the icons were reflected on Japan and marathon themes like Mt. Fuji, map of Japan, origami, running shoes, and marathon runners.

After receiving B.F.A. in graphic design from Savannah College of Art and Design, Chika started creative career at American Apparel inc. as a junior designer to promote their ethical propaganda of "Sweatshop-free". After returning Japan, as a member of the creative team of Avery Dennison, she proposed and spread the importance of sustainable packaging design and branding to global retail companies.

After receiving B.F.A. in graphic design from Savannah College of Art and Design, Ms. Kakazu started creative career at American Apparel inc. as a junior designer to promote their ethical propaganda of "Sweatshop-free". After returning Japan, as a member of the creative team of Avery Dennison, she proposed and spread the importance of sustainable packaging design and branding to global retail companies.