Behind the camera
- 2026Flaming Dodgeball Girl DankoCharacter Designer, Key Animation, Supervising Animation Director12 ep.
- 2024TsumaShoCharacter Designer12 ep.
- 2022The Tatami Time Machine BluesKey Animation1 ep.
- 2018Hero MaskKey Animation3 ep.
- 2018B: The BeginningKey Animation1 ep.
- 201691 DaysKey Animation1 ep.
- 2014Tokyo GhoulKey Animation, Prop Designer24 ep.
- 2013Gatchaman CrowdsKey Animation1 ep.
- 2011BLOOD-CKey Animation1 ep.
- 2008Real DriveKey Animation4 ep.
- 2007MoyashimonKey Animation1 ep.
- 2007ReideenKey Animation3 ep.
- 2005Blood+Key Animation1 ep.
- 2005IGPX: Immortal Grand PrixKey Animation2 ep.
- 2004Otogi Zoshi: The Legend of MagatamaKey Animation1 ep.
- 2002Ghost in the Shell: Stand Alone ComplexKey Animation6 ep.
Also known as: 関川 成人 · Naruto Sekikawa · Naruhito Sekikawa