Tetsuo Hirakawa has a Director credit on Grimoire of Zero.
storyboard (eps. 4, 11)
TV anime / 2015
key animation
TV anime / 2007
director
TV anime / 2017
TV anime / 2019
TV anime / 2024
TV anime / 2022
series composition
Short TV anime / 2008
OVA / 2019
Special / 2009
storyboard