Souichirou has done the following roles in anime.

Ai Yori Aoshi [2002]	Hanabishi Kaoru
Angelic Layer [2001]	Mihara Oojirou
Arata Kangatari [2013]	Yorunami
Argent Soma [2000]	Liu Souma
Banner of the Stars II [2001]	Dufiel
Black Jack Special	Tebbie
Chuunibyou demo Koiga shitai [2012]	Isshiki Makoto
Chuunibyou demo Koiga shitai Ren [2014]	Isshiki Makoto
Cosmo Warrior Zero [2001]	Ishikura
Gensou Maden Saiyuuki [2000]	Son Goku
GetBackers [2002]	Futoin Kazuki
Ginga Hyuouryuu Vifam 13 [1998]	Roddy Shuffle
Gokudou-kun Man'yuuki	Issa
Harukanaru toki no naka de -Hachiyoushou- [2004]	Eisen
Higurashi no Nakukoroni Kai [2007]	Maehara Keiichi
Keppeki Danshi Aoyama-kun [2017]	Sakai Kazuma
Kidou Senshi Gundam Seed [2002]	Kira Yamato
Kidou Tenshi Angelic Layer [2001]	Miharu Oujirou
Kikou Sennyo Rouran [2002]	Mikogami Yamato
Kimetsu no Yaiba [2019]	Wakuraba
Lost Universe [1998]	Kain Blueriver
Macross F Sayonara no Tsubasa [2011]	Brera Sterne
Macross Frontier [2008]	Brera Sterne
Melody of Oblivion	Sky Blue
Mirumo de Pon [2002-2005]	Matsutake Kaoru
Mugen no Ryvius (Infinite Ryvius)	Aiba Yuuki
Naruto	Yashamaru
Nurarihyon no Mago [2010-2011]	Mezumaru
Onegai Teacher [2001]	Kusanagi Kei
Saiyuuki Reload [2003]	Son Goku
Saiyuuki Reload Gunlock [2004]	Son Goku
Samurai Deeper Kyo	Akira
Scryed [2001]	Kazuma
Sei Luminous Jogakuin [1998]	Tanami Ryuu
Senki Zesshou Symphogear [2012]	Ogawa Shinji
Senki Zesshou Symphogear G [2013]	Ogawa Shinji
Senki Zesshou Symphogear GX [2015]	Ogawa Shinji
Senki Zesshou Symphogear XV [2019]	Ogawa Shinji
Sora no Otoshimono [2009]	Sakurai Tomoki
Sora no Otoshimono Forte [2010]	Sakurai Tomoki
Sword Art Online II [2014]	Death Gun
Tactics	Sugino
Tenjou Tenge [2004]	Nahi Souichirou
Tennis no Oujisama	Mukahi Gakuto
To Aru Hikoushi he no Koiuta [2014]	Fausto Fidel Melze
To Heart 2: Remember my Memories	Satou Masashi
To Heart [1999]	Satou Masashi
Tokyo Underground [2002]	Isuzu Ginnousuke
Uchuu Kaizoku Mito no Daibouken 2	Mitsukuni Aoi
Uchuu Kaizoku Mito no Daibouken [1999]	Mitsukuni Aoi
Xenosaga: The Animation [2015]	Chaos