Antimateria: Resonance of fate looks pretty good any one played it? If so, did you enjoy it?
did you like Valkyrie Profile 2, because the battle system is similar but with guns and the game is mostly battles and such... as far as plot goes it's mostly an 90s anime episodic ragtag band of odd-jobbers trying to get money sort of thing going on if that makes sense and a lot of it is rather lighthearted (like the vash dance thing)
anyway, off the top of my head, just off the top of my head a list of japanese made rpgs
Valkyria Chronicles (though might as well get the pc version or wait for the remaster)
final fantasy 13 series, 10 HD collection, probably 12 HD soon too
Kingdom Hearts 1/2/I think 2.8 soon HD collections
Tales series
Souls series
Atelier series
Neptunia series
Star Ocean
Disgaea series
The Guided Fate Paradox and Awakened Fate Ultimatum
Legasista
Witch and the Hundred Knight (...it's super buggy so you might should skip it in favor of seeing if the remaster is any better?)
Ar Tonelico 3 and Ar nosurge (though I can't really recommend them unless you're already somewhat familiar with/invested in the setting since the gameplay doesn't really hold up)
Trails in the Flash (see above, though the Trails series in general probably has broader appeal even if you aren't familiar with the past games or the setting and the gameplay's better anyway)
Eternal Sonate (definitive version of the game, although I didn't really care for it)
Rune Factory Tides of Destiny
Ni no kuni
Nier and Drakengard 3
Dragon's Dogma
ragnarok odyssey ace (monster hunter clone IIRC)
not sure if Zill o'll is an rpg or a dynasty warriors ish game,
uhhh... there's time and eternity and last rebellion but they're notoriously bad, and there's also some other !f titles like the Agarest series if you feel like punishing yourself... White Knight Chronicles probably isn't worth it since I think the online's dead. PS3 version of Nights of azure isn't going to be released outside of japan so you can cross that off
If you stretch the definition a bit, you might also count Tears to Tiara 2 and Eiyuu Senki, though they're more VNs with gameplay/strategy elemetns.