The fifth game in the Gyakuten Saiban series, with Naruhodou Ryuuichi returning as the protagonist defense attorney and introducing a new partner named Kizuki Kokone (Athena Cykes). Odoroki Housuke also returns, but with a drastically different appearance. The game is called Phoenix Wright: Ace Attorney: Dual Destinies in the west.
This tag implicates gyakuten_saiban (learn more).