“Yamato no Shokunin” by Shinobi Kenkyujo is a clone of the Boss OD-1 OverDrive.
There are several versions of the circuit for OD-1 but this particular one is the original with a quad op-amp. For the op-amp a JRC3403AD is used for this but easily swappable because it sits on a socket. The original buffer section is removed so it’s true bypass.
Check out the Instagram story for a demo (different design but the same circuit inside):
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