I know maybe it's a custom typeface, but I'm curious about the original font that was modified to create this anime logo. Any who can help identify the base font?

Jupiter  Vorgeschlagen von akira1975 

They started with Jupiter.
https://canadatype.com/product/jupiter-pro/

The A, the first N, the R, the second N, the T, and the H are alternate characters in the font.
https://canadatype.com/wp-content/uploads/bfi_thumb/jupiterpro_font-06-qksm6o556ku90p41sizp1z26mg42t45c0jz1ajwdow.png

You're amazing Akira1975! Your knowledge is truly impressive! Really appreciate the links too~♥