Self proclaimed genius Hiraga Gennai is trying to make a living off her unique inventions, but none of them are selling. Her main ambition is to build a time machine to take her further into the future whilst living with a young boy dreaming of becoming a soccer star. After working all day on her time machine, Gennai becomes shocked when she learns the boy had gotten into an accident and fractured his leg, ruining his chance to be in a match the next day...