AGENT 0 is an active Japanese Touhou brutal death metal doujin project formed around 2009-2010. AGENT 0 is a studio based project with no live shows. Their latest album, Steller Vault, was released on December 31st, 2025.

Lineup:
E-chang – Arrangement, bass, programming
Masato – Manager, guitarist
Akihiro Muto – Vocalist, lyricist

Past Members:
一貴 – (2010-2011) Vocalist, lyricist