Manga sync is same as anime, it already sync both anime & manga
Import your Anilist account manga list into Kuroiru. This tool merge data from Anilist (anilist.co) into your account. You can import from any public Anilist account.
Import
Wipe your kuroiru manga list
your anilist account won't be affected
Wipe
Export your kuroiru manga list
Export
note : to put this to your Anilist account first you need to import it to MAL account, then after that export from MAL to Anilist.
Anilist Sync