If you purchase the full version of STAR OCEAN THE SECOND STORY R on the same platform you played the demo, you will be able to import your save data to the full game.
Everything you earn, including story progress, completed Challenge Missions, items, Battle Points (BP) and Skill Points (SP) used to strengthen character skills, will also be transferred into the full game. And while you can’t earn trophies or achievements in the demo, they’ll unlock when you import your demo save data to the full game.
Note: If you accidentally cancelled the transfer process, you can repeat the initial save data transfer process by deleting the system save data.
This is not the same as the game save data, so please take care when deleting the data.