three construction companies are going to bid for the construction of a museum. one of them was a construction company run by shiori’s father. today, shiori and her fiancé ichiro are on a pre-wedding hot spring trip. also, shiori’s father is going to the same hot spring for a construction union meeting. even though it’s a special hot spring trip, my fiancée, ichiro, is absorbed in fishing with his father-in-law. shiori, who had a lot of libido, used the eyes of the construction company president who was the bid partner.