Multi-Mind Mayhem: Isekai Tensei Soudouki

Balud Cornelius carries the bloodline of a noble family in the Mauricia kingdom, and his being encompasses the spirits of two other individuals - the frugal commander of the warring states, Okasanai Sadatoshi, and the high schooler enamored with animal ears, Oka Masaharu. With these distinct identities merged into a singular entity, Balud possesses unparalleled prowess in areas of warfare and domain management.