They were talking to the photographer Keiichi Nitta for a recent video series profiling gay couples for Vice Japan. I’ve realized that recently,” Masaki said, about his partner, Tenten, a model and Chinese expatriate that he met on a train home from a Lady Gaga concert. “It must have taken him a lot of courage to decide to live in Japan. Koh Masaki was Japan’s foremost gay porn star when he died one month ago today.