Inaho Shin is a character in the series of "Memories of Autumn", a beautiful girl game launched by Japanese KID company. Although he has never been the protagonist of the game plot, he has appeared in every generation, with a supporting role of 10 thousand years and a bad guy of 10 thousand years. (In the appendix of the comic version of Memories of Autumn 6, he once claimed to be the underground hero of the series of Memories of Autumn) He is also an indispensable and important role in the series of Memories of Autumn. In the generation of Memories of Autumn, he played a vital role in the final ending of the plot in the chapter of Female One with only laughter, and also created When will the rain stop? This famous saying runs through the series of Memories of Autumn. Since the second generation, although he no longer directly affects the final outcome of the game like the first generation, he still plays a role in promoting the progress of the plot.