Reign of Fire

Jeremiah is a lonely demigod, so one day he decides to grant two bitter enemies abilities that will change their lives forever. Chaos ensues when the two men will sacrifice anyone and anything to become more powerful than one another. Jeremiah The Giver sits back as the two men destroy the universe.

In order to protect humankind, Kouga Saezima makes a contract with powerful Kazari. Kouga Saezima travels to the land of promise to bring back the Fang of Sorrow. When he gets there, Kouga Saezim loses the Garo sword, magic clothes and the Mado ring, which he always carry when he fights. Then, Kouga Saezima in a dense forest saves a girl called Meru. She calls herself the "thing".

The spirit of Kiba the Dark Makai Knight influenced everything since the beginning. Though he called himself a Makai Knight, Kiba was no different to a Horror. Kiba's spirit resides inside what was once a grey colored Makai Armor that's filled with the dark knowledge of Makai Power. As Barago absorbed Horror after Horror, Kiba eventually deformed into an organically pure black armor with a cape. Kiba assumed full control over his host upon Meisha's defeat by Kouga. Actor and musician Masaki Kyomoto reprises his role as psychologist and counselor Karune Ryuzaki, the disguise for villainous Makai Knight Barago who is later taken over by the Dark Makai Knight Kiba, from the original GARO television series in a film revealing the character's history as well as the character's actions during the television series prior to his final battle. Mika Hijii also reprises her role as Kaoru Mitsuki, the female lead of GARO and one of Ryuzaki's patients who Barago intends to use to revive the Horror Messiah. Singer Leah Dizon joins the cast of Kiba Gaiden as the mysterious woman known as Makai Monk Elda who directs Barago towards his goal.

The story of Makai Priestess Bikuu and her duties as a Darkness Hunter.