Akira was a sax player in New York, but retired from it because of his wife's sudden death. One day, Akira Agawa met Yui Uehara, a young woman who works for the cleaning station, and eventually reunited in New York. Since then, they have opened up their hearts and are gradually attracted to each other.
After terminally ill Bussan finally passes away he misses hanging out with his still living friends and decides to return to Kisarazu. In his ghost form however only his most trusted friends can see him, and his meddling in the lives of the living results in the return of Ozzy and a long dead team of American baseball players who drowned off the shores of Kisarazu. It's down to Bussan and the Cats to save the day and restore the town to order, but can Bussan bring himself to say bye-bye once and for all?
When Bussan learns he has less than a year to live, he decides to continue his life as usual. He spends his time with his friends, a band called Kisarazu Cat's Eye. Their funny adventures range from playing gigs to solving a mystery surrounding counterfeit money, but Bussan's impending death is never far away.