Masahiro is the grandson of the great onmyouji, Abe no Seimei. However, he lost his sixth sense that enables him to see supernatural beings, which is very important for an onmyouji. Thus, he is left with no choice but to try and pick a different career. But one day, a strange mononoke appears, which he names Mokkun, who shows him his true potential powers after fighting a demon. With the assistance of Mokkun, his quest to become the greatest onmyouji begins.

As dungeon-like treasure vaults started appearing throughout the land, more and more people began signing up as treasure hunters—risking their lives to obtain the vast riches and ancient relics inside. In the imperial capital of Zebrudia, the top hunter party is the Grieving Souls—a group of six childhood friends led by Krai Andrey, who is thought to be the strongest of them due to having a reputed wide array of skills. However, Krai actually has no special talent. His accomplishments are actually the result of his friends being overpowered. Krai has repeatedly attempted to leave the party out of fear his lack of aptitudes would one day cause his companions' downfall. Nevertheless, everyone around Krai thinks differently, making him feel obligated to remain the group's leader.

Spinoff based on the Nintendo DS RPG game by SEGA, released in Japan July, 2008. In a world where humans serve as livestock for the ruling beastman, and where sand fills the roles of water and fire. Kyrie is recruited by the "World Destruction Committee" to assist in putting an end to their world. Kyrie alone holds the power needed to do it.

From the heavenly object known as the Chaos Pearl, two elements are extracted: the Spirit Pearl and the Demon Orb. In an attempt to suppress their power, the Lord of Heaven sends the Spirit Pearl to Earth to reincarnate as Ne Zha, the third son of Li Jing, while the Demon Orb is scheduled to be destroyed by a lightning strike. However, because of a conspiracy by the Dragon King to steal the Spirit Pearl for his own son, Ne Zha is instead reincarnated with the Demon Orb. With no way to remove the cursed effects of the Demon Orb, Ne Zha is raised under the belief that he will become the great demon hunter the Spirit Pearl destined for him to be. Fighting against his chaotic and mischievous nature, Ne Zha must decide whether to accept his evil fate or rebel against it to prove he is worthy of the future his parents foretold.