I really like the Persona OSTs
Legend of Heroes: Trails of Cold Steel 2. That game had a simply fantastic OST
I saw Persona music! Time to add some more!
What about mainline Shin Megami Tensei music? :v
Do you also know the Piano OSTs? I love them!
and time for some obscure japanese robot game music:
These are pretty good for playing Overwatch. I have others but haven't gotten around to them.