Behind the camera
- 2025Chitose Is in the Ramune BottleAnimation Director2 ep.
- 2023AMAIM: Warrior at the Borderline UltraSteel Ogre-GearKey Animation1 ep.
- 2022Call of the NightAnimation Director3 ep.
- 2022Onipan!Key Animation1 ep.
- 2022Healer GirlKey Animation1 ep.
- 2021Super CrooksKey Animation1 ep.
- 2021Komi Can't CommunicateAnimation Director1 ep.
- 2021Blue PeriodAnimation Director1 ep.
- 2021Super CubAnimation Director, Key Animation3 ep.
- 2020Great PretenderKey Animation1 ep.
- 20197SEEDSAnimation Director5 ep.
- 2018IslandAnimation Director1 ep.
- 2018CitrusAnimation Director3 ep.
- 201718ifAnimation Director, Key Animation3 ep.
- 2017Tsuredure ChildrenKey Animation1 ep.
- 2017BanG Dream!Animation Director1 ep.
- 2016Puzzle & Dragons XKey Animation2 ep.
- 2016AOKANA: Four Rhythm Across the BlueAnimation Director2 ep.
- 2015Seiyu's Life!Key Animation1 ep.
- 2015GateKey Animation1 ep.
- 2014Nanana's Buried TreasureAnimation Director3 ep.
- 2013Log HorizonKey Animation1 ep.
- 2002Heat Guy JKey Animation1 ep.
- 2001Fruits BasketKey Animation3 ep.
- 2001Earth Maiden ArjunaKey Animation1 ep.
- 1999Hunter x HunterKey Animation1 ep.
- 1999A.D. PoliceKey Animation1 ep.
- 1998Master KeatonKey Animation1 ep.
- 1998His and Her CircumstancesKey Animation1 ep.
- 1998Cardcaptor SakuraKey Animation1 ep.
- 1996You're Under Arrest!Key Animation2 ep.
- 1996Rurouni KenshinKey Animation3 ep.
- 1995El-Hazard: The Magnificent WorldKey Animation1 ep.
Also known as: Koji Hirauma · Kouji Hirauma · 平馬浩二 · Kōji Hirauma · Kouji Heima · Koji Heima · Kouji Hirama · 平馬 浩司