Ar tonelico II: Melody of Metafalica

Ar tonelico II: Melody of Metafalica is a celebrated JRPG, it was released for the PlayStation 2  in Japan in 2007 and North America in 2009. Developed by Gust, the game is set on the floating island of Metafalss, where a young knight named Croix Bartel must contain a mysterious epidemic affecting Reyvateils a race of female beings capable of using powerful "Song Magic". 

The gameplay famously blends traditional turn-based combat with visual novel and dating sim elements. This includes the unique Cosmosphere system, which allows players to "dive" into a heroine's mind to solve psychological issues, build relationships, and craft new magic. It remains a cult classic known for its innovative rhythm-based defense system and its heavily atmospheric, choir-driven soundtrack.