暗界神使Agents in Otherworld
Chapter I:Shadow Game
In searching of a missing friend, Syouen, the main protagonist Kyoukou secretly snuck into an abandoned villa to investigate, but was chased by a mysterious shadow due to a combination of circumstances and his life is almost perished. However, this is just the beginning of his misfortune. After a series of events, Kyoukou gradually realizes that he was chased after by a "revived person". Crises haunts behind, the truth about friend's disappearance, and an organization filled with mystics hidden in the dark... Behind every bizarre event, the shadowy figure creeps around, and an ominous magical stone, Stone of Souls, appears to be concealed in the center of the storm.
Chapter II：The Nether World and the Ancient Tomb
The successor of the famous financial group ran into danger, deep in the mountains and was found unconsciously. However, when the main protagonist, along with his sidekick, were searching clues on the site of the accident, they came upon the "Well of the Nether World"that connects the underworld, which could be responsible for the coma of the successor. Meanwhile, the race of the "Undead" emerges from behind the scene after disappearing for thousands of years. The shadow behind the scenes is restless, ready to make trouble. Unknown conspiracy is entrenching gradually. Does the so called "Immortal Race" really exist? The adventure of the main protagonist begins to unfold from here...