Hisa’s father had been drafted, leaving her with her mother. Her mother was unfaithful, so her father done the same to get back at her. This led to her mother turning to alcohol. One day the two went camping, however when Hisa awoke, her mother was nowhere to be found. Hisa looked for her mother, eventually making it to Mt. Mekan. She decided to wait for her. Ultimately leaving her to freeze to death. She lives in an abandoned mansion with her father Takashi, Both are ghosts. Takashi is 29.