Successfully complete the game to unlock the "Album" option and New Game+ mode at the main menu. The "Album" option allows you to access the new "BGM" and "Voices" options, which play back the background music and vocals. The "New Game" option will now have a star icon next to it at the main menu. This option allows you to retain all previously earned guild members, Grimoire stones, money, items, item shop unlockables, almanac, and maps from your previous playthrough.