It was just ordinary day when 3 students from different schools came to Tokyo Tower as part of their study tour. All of sudden, the floor’s gone as they see a shadow of beautiful lady. Hikaru, Umi and Fu found themselves in a strange place. They met Master Cleff, a 745 years old wizard who looks like an elementary student. He explained the reason they’re called and how they can saved his world.
Clamp wrote this manga in 4 volumes.