Amon

Issei Hyodo is your average perverted high school student whose one wish in life is to have his own harem, but he's got to be one of the unluckiest guys around. He goes on his first date with a girl only to get brutally attacked and killed when it turns out the girl is really a vicious fallen angel.

This show is set at Honn0ji Academy, a fictional high school in post-apocalyptic Japan that is dominated by its fearsome student council, led by Satsuki Kiryuin. The council members wear special uniforms called Goku Uniforms that grant them superhuman abilities, which they use to oppress the rest of the school's students and staff.

Thee story of Black Butler follows one wealthy young aristocrat, Ciel Phantomhive, and his demond butler Sebastian, who is known as One Hell of a Butler. Just a stone's throw away from London lies the manor house of the illustrious Phantomhive earldom and its young master, Ciel Phantomhive.

Attack on Titan (literally translated as "Advancing Giants") is a Japanese manga series, and now an anime, originally written and illustrated by Hajime Isayama. The story centers around the lives of Eren Yeager, his adoptive sister Mikasa Ackerman, and their friend Armin Arlert, who live in a world where the remnants of the human population live inside cities surrounded by enormous walls due to the sudden appearance of the Titans, gigantic humanoid creatures who devour humans seemingly without reason.