Bullet Train

is a black humour thriller novel by Japanese author Kōtarō Isaka published in 2010 and later translated to English as Bullet Train. It follows several hitmen aboard a Tōhoku Shinkansen Hayate train, each on a different mission, interconnected in some way. The novel was well reviewed, and was adapted to the Japanese stage in 2018, as well as a 2022 American film.