Boruto dozes off on Thunder Train and wakes up in an unfamiliar location along with the other passengers. A mysterious individual known as Ouga forces them to participate in a game of death disguised as an experiment—who will successfully beat this game and make it out alive?!
D-Don't leave me behind!
¡No me dejen aquí!
¡No me dejéis aquí!
Não me deixem para trás!