Hama-chan joins a company excursion to Oita with the rest of his department including his new junior Daisuke. Beautiful Namiko, the organizer of the trip is a contract employee and her elder brother is a fisherman. Hama-chan, as always sets out to sea for a bout of angling. He is a tad surprised when Namiko's brother consults him about Namiko's status as an unmarried contract worker...
