Konami filed a trademark for Harmony of Despair recently. The name sounds oddly familiar to a certain franchise… Love Plus of course! Love Plus: Harmony of Despair.
Unfortunately that probably won’t be it, but the alternative is just as good. The sub names sounds very much like a Castlevania game. There is even a Castlevania title called Harmony of Dissonance, although I wouldn’t personally recommend that one.
As of right now, the only Castlevania title we know of in development is Castlevania: Lord of Shadows. If this trade mark is a Castlevania title, we will probably see it on a portable.