GARO: Heir To Steel Armor

The story

Ryūga Dōgai, the Golden Knight Garo, is approached by a Makai Priestess, Koyori, who warms him that the "Gate of Destruction", the oldest gate through which Horrors first appeared in the Human Realm, is on the verge of opening once more. Guided by Koyori, Ryūga travels to Creacity, a city hiding the ancient gate.