Final Destiny: Rise of the Cursed One

A young boy awakens in a strange realm known as the Abyss, which is where the dead go for the afterlife. When he discovers that he has a second chance, he must discover the truth of his existence, and the truth on how he truly died. The story often switches between Leon: the main protagonist, Xeno Taylor, Leon's apparent brother, Sarah Ikaros, the female protagonist, and Kira, a mysterious being known as the Lord of the Abyss.