Nana On Sha is a development studio formed by Parappa The Rapper mastermind Masaya Matsura. Nana On-Sha has worked on quirky titles like Mojib Ribbon and Vib Ripple. The company is usually thought of a developer for Sony, but Nana On-Sha has produced titles for Bandai and other companies, as well as the Nintendo DS version of Tamagotchi.