
Seraph of the End
S01E05: Black Demon's Contract
Wary of the Human Army's rise to power, Krul calls the vampires to war against them, while Yūichirō and his friends are finally selected to attempt to claim a demon weapon for themselves, despite knowing the risks.
Overview
After a mysterious virus wipes out ninety percent of humanity, vampires emerge from the recesses of the earth to enslave mankind, treating them like livestock. After growing tired of donating blood in exchange for protection, 12-year-old Yuichiro Hyakuya and his best friend Mikaela Hyakuya plot an escape along with the other orphans. After being the only successful runaway, Yuichiro joins the Moon Demon Company, an extermination unit of the Japanese Imperial Demon Army dedicated to killing off vampires.
Episodes

An epidemic of unknown origin strikes mankind, killing all adults and rendering the youngsters at the mercy of the vampire kind. Four years later, Yūichirō Hyakuya and his friends make a daring attempt to escape...

S01E02 Humanity After the Fall
Four years after escaping, Yūichirō is part of the Japanese Army and is eager to become a member of their special vampire hunting force, the Moon Demon Company, but his reckless behavior leads him to...

S01E03 The Demon in Your Heart
Yūichirō learns that one of his schoolmates was possessed by a demon and decides to confront him not only in order to save him but to make a contract with the demon and obtain his...

S01E04 Vampire Mikaela
Instead of dying with the rest of his friends, Yūichirō's best friend Mikaela was transformed into a vampire by Krul Tepes, the queen of the vampires and now works as her aide. Meanwhile, Yūichirō finally...

S01E05 Black Demon's Contract
Wary of the Human Army's rise to power, Krul calls the vampires to war against them, while Yūichirō and his friends are finally selected to attempt to claim a demon weapon for themselves, despite knowing...

S01E06 New Family
After passing the final test, Yūichirō and his classmate Shihō Kimizuki obtain their own Demon Weapons, but when Yūichirō's friend Yoichi Saotome ends up possessed by his weapon, the duo must find a way to...

S01E07 Mitsuba's Squad
Yūichirō and his friends introduced to a new member, Mitsuba Sangū, and are then dispatched for his first mission as part of the Moon Demon Company, but when they spot a little girl in distress,...

S01E08 First Extermination
After successfully clearing a vampire nest and rescuing the humans held captive, Yūichirō's party sets for the human base in Shinjuku, unaware that the vampires are attacking there. Upon arriving, they come across one of...

S01E09 Vampire Attack
Yūichirō and his companions arrive at Shinjuku to help repel the vampire offensive, while Guren's party spots Mikaela and Ferid, and decides to face them.

S01E10 Results of the Choice
Yūichirō and Shinoa get separated from the others and after taking a wounded soldier to be treated, they regroup to assist Guren's party. In the occasion, Yūichirō and Mikaela finally meet again.

S01E11 Reunion of Childhood Friends
Mikaela attempts to escape, taking Yūichirō with him. However, seeing his friends at the mercy of the vampires, Yūichirō goes out of control when a dreadful power emerges from him, threatening allies and foes alike....

S01E12 Everyone's a Sinner
Yu has been in a coma for five days when Shinoa confronts Guren about special drugs in Yu's pill. He tells her to go and wait for Yu to wake up if she really cares...
Cast

Miyu Irino
Yuichiro Hyakuya (voice)

Kensho Ono
Mikaela Hyakuya (voice)

Yuichi Nakamura
Guren Ichinose (voice)

Takahiro Sakurai
Ferid Bathory (voice)

Saori Hayami
Shinoa Hiragi (voice)

Nobuhiko Okamoto
Yoichi Saotome (voice)

Kaito Ishikawa
Shiho Kimizuki (voice)

Yuka Iguchi
Mitsuba Sangu (voice)

Aoi Yuuki
Krul Tepes (voice)

Tatsuhisa Suzuki
Shin'ya Hiragi (voice)

Daisuke Ono
Norito Goshi (voice)

Atsumi Tanezaki
Sayuri Hanayori (voice)