Toshikatsu Wada completed his studies at Waseda Law School before joining Dentsu in 1991 after being influenced by the work of Tadanari Okamoto. Since then, he has worked on projects for NHK's Petit Petit and Minna no Uta programs, as well as commercials and short films. He is a member of both the Japan Animation Association and Japan Society for Animation Studies, an adjunct professor at Tokyo Zokei University, and runs his own independent animation studio called Kakio 24.