Yasuaki Takumi has a Japanese-language voice credit as Karion in That Time I Got Reincarnated as a Slime.
Karion / Japanese
TV anime / 2018
Matsuda / Japanese
TV anime / 2012
Senshi / Japanese
TV anime / 2021
Tsukasa Mizugaki / Japanese
TV anime / 2015
Shin Mikami / Japanese
TV anime / 2009
Galluk / Japanese
TV anime / 2013
Gakuto Kase / Japanese
TV anime / 2017
Yuuichi Takii / Japanese
TV anime / 2014
Tarou Tsuruoka / Japanese
Akihiro Altland / Japanese
Senpai / Japanese
ONA / 2016
TV anime / 2016
Yuuki Akamatsu / Japanese
Ace Grit / Japanese
Hiiroo / Japanese
Movie / 2012
Shouta Handa / Japanese
OVA / 2014
Kyouichirou Hiiragi / Japanese
Short TV anime / 2017
Edgar / Japanese
Kamon Godai / Japanese
Short TV anime / 2012
Danshi Seito / Japanese
Special / 2012
Special / 2018