The reincarnators are the same people as everyone else, they are subject to emotions and desires. And one of them has such a desire: to travel, explore new places and get involved in fights, and he intends to fulfill this desire, in which his sister helps and supports him. And what a delight they experienced when they realized that they got into one of their favorite worlds from a past life, the universe of chakra and ninja, war and training, ordinary people and conspiracies.