Code of Princess
Released on Nintendo 3DS and PC, Code of Princess is a beat them all RPG created by Kinu Nishimura. She also took care of the chara design.
The RPG side allows you to take levels to your characters, as well as learn skills and abilities, while the beat them all will make you pass your nerves on enemies, all in a universe with really nice graphics.
Here is the complete range of merchandising products, figures and goodies for Code of Princess.