Obata is a very popular Japanese manga artist. He made his debut in 1989 with his first major series Cyborg Jii chan G in Weekly Shonen Jump. After this series, he began collaborating with other writers. Obata gained international attention for Hikaru no Go with Yumi Hotta as well as DEATH NOTE and Bakuman with Tsugumi Ohba . In addition to manga works, he is active in various fields such as character design work and illustrations.

Sekiya graduated from the Graphic Design department of Tama Art University in 2010. Creating characters with big and shining eyes, she has developed her own set of the Japanese “kawaii culture" in her illustrations, represented by fans' favorite "Pero Pero ★ Sparkles". Sekiya is working in a wide range of areas including apparel and design for character merch.

Tsumori studied fashion at Tokyo's Bunka Fashion School. Since 1977, she has been working tirelessly as the designer for iconic brands such as I.S.. She started her own line TSUMORI CHISATO in 1990 and has joined Tokyo Collection and Paris Collection since then. Tsumori keeps the focus on making clothes full of creativity and her signature "fun and happy" style has been greatly appreciated all over the world.

Matsushita graduated in general design from Tokyo National University of Fine Arts and Music followed by completing his postgraduate studies between 1985 and 1987. Currently he is a professor at the same university. Matsushita has been awarded a number of prizes including JAGDA New Designer Awards, TOKYO ADC Awards, Education Minister’s Award and the Good Design Award.

Iwabuchi is the chief editor of the prestigious Japanese art magazine Bijutsu Techo . He commenced his engagement in the Editorial Department of Bijutsu Techo in 2002 and chief editor since 2008. He is also serving as a board member of Bijutsu Shuppan Sha Co., Ltd. and launched OIL by Bijutsu Techo in 2019. Iwabuchi has been involved in a wide range of roles in today’s art scene.