FF 30 day challenge day 29: How many Final Fantasy games do you own?

Hmm . . . that depends. Does Kingdom Hearts count as well?

Final Fantasy X
Final Fantasy X2
Final Fantasy XIII
Final Fantasy XIII 2
Final Fantasy Dissidia
Final Fantasy Dissidia Duodecim
Final Fantasy Theatrhythm

Kingdom Hearts
Kingdom Hearts Chain of Memories
Kingdom Hearts 358/2 days
Kingdom Hearts Birth by Sleep
Kingdom Hearts 3D Dream Drop Distance