willow64-doc
About Willow64 keyboard
The Willow64 is a split-type self-made keyboard featuring a key arrangement that gently fits natural finger movements.
Detailed article - Introductory about Willow 64
Build guide
Willow64 keyboard Build guide (in Japanese)
QMK firmware
GitHub
https://github.com/hanachi-ap/qmk_firmware/tree/willow64