Seesaw MonsterTwo inventive tales of espionage in one, from the internationally bestselling author of Japanese fiction sensation Bullet Train. In Japan's recent past, Miyako suspects her mother in law is a murderer. She uses her secret skills as an ex spy to investigate her, while trying to maintain a peaceful home life. And in Japan's not too distant future, a courier named Mito finds himself embroiled in the death of the developer of a sinister AI surveillance