Crisis Core: Final Fantasy VII is the prequel to the iconic PlayStation title Final Fantasy VII and follows the story of Zack Fair, Cloud's friend and mentor who had died prior to Final Fantasy VII. The game follows Zack from just before his promotion to SOLDIER 1st Class right up until his destined death. Throughout the game, Zack encounters characters introduced in the original game, such as Sephiroth, Cloud, Tifa, Aerith, Tseng, and Yuffie.