The Seraph of the End manga, written by Takaya Kagami and illustrated by Yamato Yamamoto, begins serialization in Shueisha's Jump Square magazine.
The anime adaptation of Seraph of the End is officially announced, sparking interest among fans of the manga.
The Seraph of the End anime officially premieres in Japan, adapting the manga's storyline for television.
A stage play adaptation of Seraph of the End is announced, showcasing the series in live theatre format.
The second season of the Seraph of the End anime, also known as Seraph of the End: Battle in Nagoya, premieres in Japan.
The English-language release of the Seraph of the End manga begins, making the series accessible to a wider audience.
A mysterious virus kills almost all of the adult human population, leaving children as the primary survivors.
Vampires appear and start enslaving the remaining human population, taking advantage of the chaos caused by the virus.
The Japanese Imperial Demon Army is formed to fight against vampires and reclaim human territory.
Following the death of their family, Yūichirō and Mikaela survive together in the vampire-controlled orphanage.
Yūichirō escapes from the vampire orphanage with other children but is separated from Mikaela, who is captured again.
Yūichirō undergoes training to become a soldier to fight vampires and protect humanity.
Mikaela is turned into a vampire against his will, causing conflict between him and Yūichirō.
The army engages vampires in a large-scale battle to reclaim lost human territory.
A virus called Seraph Virus is discovered, which affects humans and vampires, leading to new complications in the war.
Yūichirō gains a demon weapon, enhancing his combat abilities against vampires.
Tensions between the factions rise resulting in an all-out war and internal conspiracies.
It is revealed that vampires are created through human experimentation and involvement of ancient beings.
Yūichirō faces Mikaela in battle, confronting the complexity of their friendship and conflicting ideals.
