KiCad boards from 3 GitHub repositories tagged “leafony”, the most starred first; open any of them in PCBKit.
leafony/HW-Design-Files
Hardware Specification
leafony/ap05-stm32n6
Leafony AP05 STM32N6リーフ
leafony/az01c-usb-c
AZ01C USB-C UART 変換リーフ