Sakura and the Dangerous Piano

Sakura is completely drained from transforming the Firey Card under her own power, and winds up falling asleep and sleeping all day, missing school. After school Shaoran and Tomoyo visit her to make sure she is ok. They ask why she is so worn out. Kero tells them that now that she is the master of the Clow Cards, she has to transform all of them from Clow Reed's control to her control before the cards lose their power. However, transforming them takes a lot of energy and greatly weakens her. Tomoyo then comes up with the name Sakura Cards for cards that she has transformed. The next day at school, Sakura and Tomoyo walk in on Eriol playing the piano and listens to it, not knowing that he is using his magic on it. Later, while Tomoyo is practicing in the room the piano floating and threatens to crush Tomoyo. Now Sakura needs to come up with a plan to save her friend from begin squashed!