Mai chan is a immortal women, she works as a maid for a mansion where she gets mistreated by her female boss who owns a pet tiger, Mai Chans side job is being sold to people where they could do anything to her, her immortality is really halfway regeneration because if you stuff a turkey on her wounds she well recover no matter how severe it is, Mai Chans clients usually torture or rape her violently and she is always sexually and physically humiliated.

A world where demons and humans aka demon slayers are at war.