Lord of the Western Lands

The was a position held by the Inu daiyōkai Tōga, who made the  Saikoku region of Japan his domain and protected it from foreign invasion and policed the area as well, dealing with major threats such as Ryūkotsusei. After his death, the only possible successor to this role would have been Tōga's eldest son, Sesshōmaru. While Sesshōmaru often dealt with threats that his father had also faced, such as the Panther Tribe and the Shitōshin, he was nomadic, never claiming any territory or making one place his home, constantly roaming the countryside in search of power and strong opponents.

Later, Sesshōmaru renounced his title after married to human lady, Rin, that leads to the birth of their twin hanyō daughters Towa and Setsuna which left the Western Lands unattended and the mysterious Kirinmaru, the Lord of the Eastern Lands began to carry out his plans by occupied all the lands.