One day she sees a strange cat, which appears to be able to fly in the sky. When she tries to take its picture she discovers a whole swarm of such cats, seemingly floating on air streams. The surprise makes her fall down from the roof, but before she can meet her demise she gets saved by the wind manipulation powers of her math teacher, Taiki-sensei. This is the beginning of a quest for the secret of the wind manipulation techniques, in which Nao and Miki get joined by Miki's boyfriend Jun and Ryouko-chan, who also appears to master some wind manipulation herself.