Pass-through LANG1/LANG2 keys

[MasafumiF]

I'm using a US-layout custom keyboard that has LNAG1/LANG2 keys. Parallels doesn't seems to pass-through these keys to guest os. Recent windows has same behavior as macOS for LANG1/LANG2:

https://learn.microsoft.com/en-us/windows-hardware/design/component-guidelines/keyboard-japan-ime

Is there a way to achieve this?