In the Ragnarök, humanity finds itself with an unexpected champion: Jack the Ripper. But under his irony mask, the legend of crime hides his true face... At the end of the 19th century, London is shaken by a series of horrific murders targeting prostitutes. Jack follows the stories with interest, a smile at the corner of his lips. His gentlemanlike appearance does not in any way suggest his miserable childhood... To survive, he developed a unique gift: he sees the feelings of people in the form of colorful lights. The more extreme the emotions are, the more vivid are their tints. This ability allows him to spot a journalist who is demising to cover crimes with an unusual passion... And for the reason: he is the famous Ripper! While he is about to make a new victim, Jack catches him and kills him slowly... Rage and despair then explodes into a color fireworks fire! More than the satisfaction of saving a life, it is this visual ecstasy that fills him with happiness. This case also reminds him of his first victim, the one of her beloved mother...