Nao's father buys a motorcycle. A few days later, she is little nervous when her father lets her ride on the back. Afterwards it seems that her ability to use wind has become stronger. However later, she is told that her father has had an accident.
On his way home from school, Jun rescues a flying squirrel fleeing from a flock of crows. Kept as a pet since it was a baby, the flying squirrel can't fly nor can it even find food for itself. Jun feels sorry and decides to keep it, naming it "Donguri" (Acorn).
While hanging out on the roof of her school, Nao Ueshima discovers a flock of flying cats. In her haste to snap a picture, Nao tumbles over the side of the building. But instead of plummeting to her doom, Nao is guided by an unseen force that allows her to land safely on her feet. Determined to unlock the secrets of the flying cats and the identity of her rescuer, Nao soon learns that not only is one of her teachers able to control the wind, but he can also teach others to control it, too!