With help from Vulcanus, the third goddess, the Ancient Demon blade in Kanon has been removed.  However, she still remains unconscious.  Keima must search for the remaining goddesses and restore their power, but one of the potential hosts approaches him first.  Does Keima have a way to handle a heroine who doesn't follow the dating sim model?
Originally, Yui was
Yui empezó como una obediente chica rica 
que hacía todo lo que sus padres decían.
Yui empezó siendo una obediente chica rica que hacía todo lo que sus padres decían.
Originalmente, Yui era