Unlike Zorua and Zoroark Hisui forms, which are Normal/Ghost-type, their Zorua is a Fire/Fairy-type. According to Dex's entry ...

A Pokemon GO player was drowned in wild Zorua spawns disguised as Shiny Primal Groudon. Other players were swarmed by Sylveon, Santa Hat Pikachu, and Corviknight during Zorua minutes. The ...

Zorua and Zoroark are now the first Normal/Ghost ... Some Pokemon are the only ones in their evolutionary lines to have changed in Hisui, and they do not just consist of the Starters.