Adopted by a family to be the sole friend for Ichika- a girl who is perpetually ill and unable to go outside to play with any other children. Life was good for several years but their village was ransacked by raiders, and Ichika and her entire family were murdered by the looters. Senri was killed as well- but she did not stay dead. Her hatred was so powerful it brought her back as the nekomata yokai- a spirit of pure malice that lives to get revenge on humans who wronged it. Oh don't worry- death won't save you from Senri's fury; nekomata can raise the dead. She can continue to inflict agony on you even if you die.

The writing in the top right is her name; Senri. The bottom left is the kanji for 'hate'.