University student Ryoichi Yoshimori's life is turned upside down when his girlfriend Kyoko Sawada, who is older than him, suddenly disappears and then reappears with no memory of him. Ryoichi is determined to uncover the truth behind Kyoko's memory loss, which he believes is linked to the mysterious Kiokuya rumor, a legend about a person who can erase memories. With the help of his childhood friend Maki Kawai, who is also a lawyer's assistant, Ryoichi sets out to find the cause of Kyoko's amnesia and win her back.
The Memory Eraser
The disappearance of a university student's girlfriend after he proposes to her leaves his life in tatters, sending him on a desperate search for answers.
