Natsume's book of friends, volume 7 - Yuki Midorikawa

Most books just describe the supernatural.

This one brings it Reads R to L (Japanese Style), for audiences T Someone is attacking yokai and stealing their blood, and Takashi is dismayed to discover that the assailant is human The more he investigates the attacks, the more danger he finds himself in as he digs deeper into the occult world of the exorcists.

Someone is planning something horrible, and even the help of Natori--actor and exorcist extraordinaire--might not be enough to save the yokai.

or Takashi.