Extra Menu
After completeing the game, choose to save your file and the game will reset on its own. The next time you go to the title screen, a new feature will be open, the Extra Menu. You can view a photo gallery, cards, the music in the game and other things.
Unlock Shurelia's Cosmosphere
Recruit Shurelia, complete Aurica and Misha's Cosmospheres through Level 7, and then talk to Shurelia at an inn.