Amatsuki Iori was a high school student summoned to a parallel world and started fighting as a Hero to save the country. As he was trying to save the world, he is killed by his trusted companions.Just when Iori had thought that he had died, he opens his eyes and discovers that he had been summoned again, but this time it was into the future as a Hero to subjugate the demon king that he himself had failed to defeat before. Then he realizes that deep inside him when he was once the Hero commanding and leading battle, there surfaces in his mind the figure of his companions. "...I will make them regret betraying me!" There appeared before Iori who had been driven by hatred a former demon king girl who wished for a similar revenge. On his second coming as a Hero in this world he throws away his ideals, together with the former demon king he pushes forward for the sake of his revenge. (Source: Norva blog)

High school student Amatsuki Iori was summoned to a different world to fight as a brave of salvation, but whilst he was trying to save the world, he ends up being killed by the companions whom he wholeheartly believed in. It was then, when Iori thought that he already died, he came to his senses only to find that he was re-summoned to the same world, but in the future. Back again as a brave to subjugate the demon king which his former self had failed to defeat previously… Then, he noticed, that among the guys who ordered him to fight as a brave, the figure of one of his former comrades could be seen. 「……I will make you regret having betrayed me.」 A girl then appears before him as he is consumed by hatred, but not any ordinary girl – she is the former demon king who is also aiming to take revenge. The brave man who abandoned his heroic ideals, exchanging them for a burning desire to take revenge and the former demon king who seems ready to join him in his new-found quest.

Amatsuki Iori was a high school student summoned to a parallel world and started fighting as a Hero to save the country. As he was trying to save the world, he is killed by his trusted companions. Just when Iori had thought that he had died, he opens his eyes and discovers that he had been summoned again, but this time it was into the future as a Hero to subjugate the demon king that he himself had failed to defeat before. Then he realizes that deep inside him when he was once the Hero commanding and leading battle, there surfaces in his mind the figure of his companions. [...I will make them regret betraying me] There appeared before Iori who had been driven by hatred a former demon king girl who wished for a similar revenge. On his second coming as a Hero in this world he throws away his ideals, together with the former demon king he pushes forward for the sake of his revenge.

Anthology of doujinshi from different artists. Cover illustrator: REIMON Peine Colour illustrator: Takahira