Drifters manga, created by Kouta Hirano, was first published, introducing readers to the alternate history and fantasy series.
An anime adaptation of the Drifters manga was officially announced, increasing anticipation and visibility for the franchise.
The Drifters anime television series premiered in Japan, bringing the story to a broader audience and marking a major expansion of the franchise.
Shimazu Toyohisa fights in the Battle of Sekigahara, where he is fatally wounded before being transported to the world of Drifters.
After dying in battle, Toyohisa awakens in a strange new world with other historical figures known as the Drifters.
The Drifters, including Toyohisa, realize they are summoned for a purpose to fight against the Ends, their enemy faction leading to conflict between factions.
The first major battle between the Drifters and the Ends takes place, setting the stage for the ongoing conflict.
Toyohisa forms alliances and begins strategizing with other Drifter heroes in order to face off against the Ends.
A large scale battle explodes in the city where Drifters attempt to defend human settlements against the Forces of the Ends.
Toyohisa grows into a key leader amongst the Drifters, demonstrating tactical brilliance and charisma.