In "The Shadow Oath", a disgraced samurai named Kazuki, falsely condemned to die, is graced by a deity of darkness named "Tsukuyomi" with enigmatic shadow magic. Tormented by his wrongful banishment, Kazuki begins a journey to right the wrongs committed against him. His quest is not solo, as he crosses paths with Shôkin Kagiri, a seasoned bounty hunter who guides him to channel his shadow magic for justice, rather than revenge. Meanwhile, Kuroyama the Advisor, manipulates the young Shogunate from the shadows, ruling with fear and brutal force. His control is further solidified by his loyal subordinates from the Minamotos clan, warriors each possessing unique, deadly magic abilities gifted by the gods. "The Shadow Oath" is an epic tale of redemption and revenge set in a world brimming with magic and political intrigue. This thrilling narrative unfolds as Kazuki, fights to regain his lost honor and reshape his destiny.