Harry Potter and Draco Malfoy, sent to the same orphanage at a young age. When the apocalypse happens, Hogwarts becomes a safe Haven for Wizarding families. However, only some realize once it's too late that Harry Potter had not come to school. What they didn't know was that they'll meet Harry and Draco along with Harry's friends and teammates to watch their lives.

Voldemort rassemble des fidèles tandis que le ministère refuse de croire à son retour. Alors Dumbledore n'a d'autre choix que d'invoquer deux soldats venus d'un autre monde. Les retrouvailles ne se passent pas toujours comme on pourrait le penser ... Mais de là à imaginer que ce serait dans une école de magie, dans un autre monde, pour une chasse aux Horcruxes ...  - Yuu-chan …

Harry Hyakuya Potter and his family are captured by the Vampires of Sanguinem in Japan and kept as livestock for over a year. When their escape attempt goes horrendously wrong, Harry must try to avenge his fallen family, or die trying.

Mika viens juste de récupérer Yuu à Nagoya qu'ils se retrouvent projectés dans le monde d'Harry Potter, s'il veulent rentrer chez eux ils devront aider Harry à vaincre Voldemort. Or lors de cette cinquieme années du survivant Ombrage rôde, la tache n'en sera que plus dure... Mika x Yuu. Complète.

Since the 1792 Triwizard Tournament, Owari no Seraph has been included as the fourth school, thus renaming the event the Quartet Tournament. The schools of Drumstrang, Beauxbatons and Hogwarts owing them many favors, Owari has been held in high regards. Now it is 1994 and each school agrees to hold the tournament once again. Harry Potter and Yoichi Saotome may have a killer after..