Tsubasa Graphic Novel Volume 25

"(W/A) CLAMP Sakura has a mysterious power, a power that no one understands, a power that can change the world. On the day she goes to the dig to declare her love for Syaoran, a mysterious symbol is uncovered that will have repercussions for them both. When an alien attack causes her to lose her memory, Syaoran's quest through the many alternate worlds turns into a quest to recover the missing pieces of Sakura's thoughts."