Mana Diagram is a Japanese melodic power metal band, formed in 2023 by former HAGANE members UYU and Mayto. Originally a five-piece, the band is currently operating as a trio with an additional live bassist. The "graduation" (departure) of Mayto and Yusuke was announced on August 20, 2025 on the band's official website.

Members:
Vocal: UYU (ex. HAGANE & DIZZYMETAL -cover band BABYMETAL-) (2023-present)
Guitar: Mint (ex.NICE LADY FIRST) (2023-present)
Drums: Koki (兀突骨(Gotsu-Totsu-Kotsu)) (2023-present)

Former Members:
Guitar: Mayto. (ex.HAGANE) (2023-2025)
Bass: Yusuke (ex.Veil of Ignorance) (2023-2025) Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.