In the harsh region known as the borderlands, humans must fight an endless battle against demi-human creatures that come at them relentlessly, intent on taking their land and their gods. A young boy named Kai, fighting to defend his village, sustains a life-threatening injury that causes him to regain memories from a past life. If you're not a guardian bearer, it's like you're playing life on hard mode... Kai's newfound knowledge gives him a new sense of the unfair rule set that governs the world around him. One thing is clear: For those without a god to serve as their guardian, life is a constant struggle for survival. Thus begins the epic tale of a young boy's ascent into a vast world filled with magic, bloodshed, and mystery. (Source: J-Novel Club)

Mo Fan is presumed dead. Nonetheless, hearing rumors about his whereabouts, Mo Fan's childhood friend Zhang Xiaohou sets out to find him. Upon reuniting, Mo Fan enlists Zhang Xiaohou and Li Man to kill a giant lizard whose soul will help him recover from the side effects of his devil powers. Human once more, Mo Fan spends time with his stepsister Ye Xinxia in Song City, where he witnesses a giant snake towering over the buildings. When Mo Fan asks his teacher Tang Yue about the snake, she takes him to her island home and shares her history with the beast. Mo Fan agrees to help her protect the snake in exchange for its valuable shed skin. Meanwhile, the White Eagle demon attacks the Western fortress and a plague spreads from Bai City to Song City. As blame falls on the giant snake, Mo Fan is fully determined to prove its innocence by searching for the true source of the disease as well as an antidote.

After Tamahome is reborn into the real world as Taka Sukunami, it does not take long until he meets Miaka Yuuki again, leading to their romance blooming once more. However, the appearance of Ren Shigyou—a new student at Miaka's high school—disturbs their blissful days. Resentful of the happy lovers, Shigyou uses his unusual manipulative skills to quickly become popular and rally his classmates against Miaka and Taka. As Shigyou's followers unexpectedly attack the pair, the two end up falling from the school's roof into a red light and are transported to The Universe of the Four Gods realm. Returning to the place where Taka once lived as Tamahome, the couple learns that an evil demon is behind the recent events. To make matters worse, Taka risks disappearing from existence unless he recovers his previous life's memories, which are stored in seven jewels. Joining forces with their former companions, Miaka and Taka embark on a quest against the clock to retrieve the precious stones before it is too late.

Specials included with the BD/DVD releases.