Is Matsuri Hino alive

I think this is her address

Matsuri Hino

Author Fan Mail

Shogakukan Inc.

2-3-1 Hitotsubashi

Chiyoda-ku

Tokyo 101-8001

Japan

樋野まつり Hino Matsuri's series, Vampire Knight is published in Hakusensha 白泉社, not Shougakukan, 小学館.

Mailing address to her publisher as follows:

〒１０１－００６３

東京都千代田区神田淡路町２－２－２

白泉社 LaLa編集部内

ヴァンパイア騎士樋野まつり様

( Postal code 〒１０１－００６３

Tokyo Chiyoda-ku Kanda Awaji-chou 2-2-2

Hakusensha LaLa Editorial Dept

Vampire KnightHino Matsuri-sama )