Minami, an office worker who has returned from her parents' home, finds a doll she used to play with in her case, which for some reason she used to have.
From that night onwards, she begins to have lewd dreams about him, and in those dreams she is unable to resist his words and just goes along with it.

Feeling uncomfortable, she tries to get rid of the doll, but
one day she receives a message from an unknown sender, and everything starts to go awry...