Located on a remote island in the middle of open seas, weather has become a threat that constantly threatening the school. Be it sudden typhoons, high waves, until the infamous hailstorm. Weathercrafting Magic has become an important subject for all resident of Mahoutokoro, student or teacher alike. But the thing is, the subject is a complete humdrum...

Professor Iketani has been keeping the school safe for more than 5 decades, rumour says he was one of the strongest Weathercrafter ever existed in the entire Japan. But now he is just an eccentric old man, teaching junior and middle classman how to brew weather in a bottle, smaller scale before moving on to a larger scale.