If you want to read my review of Until I meet September’s love, read this post. In 9月の恋と出会うまで Hirano Susumu discovered that he was being followed by his neighbor, Kitamura Shiori. At his own behest, coming from the future. After understanding what was happening, he realizes that the changes in the present timeline have put his neighbor’s life at risk and finds himself in need of preventing her from dying in the future.