Even though it is a prequel to the original or possibly because it is a prequel to the original, this story has quite a bit of nightmare fuel throughout the story.

* Chapter Three
** [[spoiler:The deaths of all the Child Errors is rather chilling.]]
** [[spoiler:Ai's death in particular was disturbing because she was tortured, raped, and murdered as Touma was ForcedtoWatch.]]
** [[spoiler:Komaba killing Ketsueki by impaling him through his heart.]]

* Chapter Four
** [[spoiler:Touma's nightmare at the beginning of chapter with Ai asking him why he couldn't save her.]]

* Chapter Six
** [[spoiler:Kumakichi a young five year-old boy that Touma befriends is killed by an exploding car alongside his mother.]]
** [[spoiler:Kumakichi's father Chokichi attempts to murder Touma with a knife, and Touma's father is almost forced to see his son die before his eyes. Without the timely intervention of Misaka Mikoto, Chokichi would have stabbed a little boy to death.]]

* Chapter Eight
** [[spoiler:It is filled with AdultFear as Touya continuously attempts to find Touma with Yomikawa but to no avail.]]

* Chapter Twelve
** [[spoiler:The fact that Touma beats up his victims and then shoots them in the legs can be rather chilling.]]

* Chapter Thirteen
** [[spoiler:Touma is nearly beheaded by a psychopath with a chainsaw.]]
** [[spoiler:Wataru's timely intervention to save Touma's life results in the psychopath to losing grip of his chainsaw and accidentally cutting his own leg.]]

* Chapter Fourteen
** [[spoiler:Takaya's death scene can be seen as rather disturbing.]]

* Chapter Fifteen
** [[spoiler:Juho's brief flashback to his past is both heartbreaking and terrifying.]]
** [[spoiler:Touma crucifying Juho on the side of a shipping container.]]