"Crisis Core -Final Fantasy VII-" is based on the time and space of "FF7" 7 years ago. With the help of Zacks, a member of the Shinra Elite Force who has a deep relationship with the protagonist Claude, and the well-known special forces at the time Angel and "Heroes" "Sephiroth and Genesis, starting from the mysterious incident of the disappearance of special forces, describe the origin of "FF7". The official said that since its release in 2007, this work has won many praises for its moving story. "Crisis Core -Final Fantasy VII- REUNION" not only improves the picture to high resolution, but also redesigns all 3D models, supports full voice and re-arranged music. Music content brings players an evolution beyond pure HD reproduction, with better aesthetics and gameplay.