This Yakuza 8 Gaiden tracks sound like they belong in ZZZ:
https://music.youtube.com/watch?v=gyahl6hHwr4&si=zV9tJL7sgw6cBUug

https://music.youtube.com/watch?v=Vu0gB1Pp8Ho&si=OL2lxuncV3W21SeE

You even fight a mecha in this game. Was this intended?