Vampire Knight

Vampire Knight first started as an anime and manga magazine, and was later produced into a anime tv show series but there is also a light book novel and a video game.

In the first episode of Vampire Knight it's called "Night of Vampires" where Yuki Cross recalls her earliest memories in which she is attacked by a vampire, and saved by the pureblood vampire Kaname Kuran. In the present, she attends the Cross Academy, a school founded by her adoptive father, Kaien Cross, and she works as a "guardian" with vampire hunter Zero Kiryuu to protect the human students of the "Day Class" from the vampires of the "Night Class", an arrangement created by Kaien to foster better relations between vampires and humans. That evening, Yuki discovers a pair of Night Class students, Hanabusa Aido and Akatsuki Kain, threatening to feed on a pair of Day Class students. Yuki attempts to stop them, and they retreat only after Zero arrives and threatens them with his anti-vampire gun, Bloody Rose.

Here is the first "clip" to Vampire Knight.

Note: This is not the whole episode, it is just a clip.

For those who want to know what the theme song says in English it is here:

Shaking in red, in red, in red

To the edge of the dream, of the dream

We can’t be separated

Already, every time when I’m stifled to death when I give up again and again

My emotions that have no place to go wake me up

Your flawless smile knows

That it’s an existence so distant that it’s cruel

Even though the wound that can’t be healed only eats away at my heart

Even now I can’t completely hold back my thoughts (that dwell) (within) the darkness

Shaking in red, in red, in red

To the edge of the dream, of the dream

We met, and destiny begins to turn

It’s a secret that no one, no one knows about

I fall, I fall, I fall

And I certainly can’t return anymore, even if I carve out my my sins

While I was walking in the abyss of loneliness, I was saved

By realistic eyes that never change

But a shadow born as the light is bright

Deeply and pronouncedly creeps up to me

The two pulses are exactly like mirrors facing each other

The (pains) are similar (but) different and continue infinitely

Burning in red, in red, in red

Erasing everything, everything

An unfulfilled illusion begins to move

Strongly, strongly

Overcoming, overcoming, overcoming the fleeting night

And I certainly can’t escape, even if I drown in my sins

Shaking in red, in red, in red

To the edge of the dream, of the dream

We met, and destiny begins to turn

It’s a secret that no one, no one knows about

I fall, I fall, I fall

And I certainly can’t return anymore, even if I carve out my my sins.