Before We Vanish (Sanpo suru shinryakusha) teaser trailer - Kiyoshi Kurosawa-directed movie

Synopsis for Kiyoshi Kurosawa's Before We Vanish (Sanpo suru shinryakusha) from Nikkatsu International Sales (Nikkatsu Corporation/Nikkatsu K.K.): "A couple of Shinji and Narumi, lived in a loveless marriage. One day Shinji left missing for a week and he got gentle and calm suddenly after coming home. Narumi was puzzled with its radical change. She asked what Shinji was doing while he was away. Shinji replied, 'I just have strolled.' For medical specialist, the cause of his symptoms were unclear. 'I'm not sure your husband has brain disorders, memory loss or any other disease...' A doctor only makes an ambiguous diagnosis. But one strange thing, the more he strolls, the better his brain disorders gets. Narumi gradually hopes to restart with Shinji as if there was no problem between their relationship. However, one day Shinji confesses to Narumi. 'To tell the truth, I'm an alien. We're invading Earth.' The invasions continue to spread quietly like an infectious disease. At the same time, there is another crisis such as military tensions between neighborhood countries and the threat of war and possible. Invaders will make people's town life restless..."