Luxury Yacht: First Love Tour Murder Case (1990)

Office worker Kanako takes a trip to Nanki Shirahama in Wakayama Prefecture as part of a travel agency project to reunite with her first love. She was nominated by Yamano, a classmate from elementary school. Kanako meets Yamano for the first time in 15 years, but for some reason their old stories don't add up. She gradually begins to suspect that Yamano is a fake, but...