Born on November 2, 1985 in Kitakyushu, Matsui Daigo entered Keio University in Tokyo, where he joined a university theater troupe. In 2008 he went independent with his own troupe Gojiden, for which he served as playwright, director and actor. In 2009 he became the youngest scriptwriter for public broadcaster NHK, working on the series drama Two Speakers (Futatsu no Speaker). Since then he has continued to script and direct TV dramas. Matsui also scripted and directed the prize-winning short films Hokago no Tomodachi (2008) and Chodo Ii Shiawase (2010). His first feature as a director, Afro Tanaka, was released nationwide in Japan in February, 2012.