> Fungi and Animalia split from Eukarya. Fungi didn't exist before then.

Plants are also Eukaryotes but Fungi and Animalia have a more recent common ancestor than either has with Plantae.

We and fungi are both Opisthokonts, a distinct subclade of Eukaryotes, but plants are not.

https://en.m.wikipedia.org/wiki/Opisthokont