harmaceutical student, Keiko witnesses her boyfriend having an affair. Shocked and disappointed, she jumps on a train ("destination anywhere, east or west, she don't care") and ends up in a town named Masao in Tokyo's remote suburbs. There, she gets a part-time job at a newly opened drugstore. What do ya know.. The local shopping district's middle-aged men all fall for the young girl's charms, and they start practicing lacrosse once they have found out that that's her favourite sport.

Overview from themoviedb.org