Talk:Light Novel Volume 3/@comment-5.22.135.210-20160208202208

Haruhiko returned to the past way of it in Volume 2's failure to protect the world according to this spoiler: Later, we see the adult Haruhiko fight in the war against the Phantoms. Unable to kill Phantom Rupa (the girl on the left)on vol 2 cover, go to the elimination of two-thirds of the human population. The rest of humanity lives in the underground city of hell. Haruhiko blames himself for the end of the world with May, Reina, others have mental support. As his friends and one fall after another, Haruhiko swear that even if he gives his soul to the devil, he will eliminate the Phantoms. As is swallowed by the darkness of revenge, Haruhiko rise to the use of power is forbidden in the hope of finally ending struggle

Or succeeded to save world in vol 2 and vol 3 flashback