The background of the heroine in this article is Naegi Nosora in "Cardcaptor", but it has little to do with the original work, the changes are relatively large, and it involves less plot. Those who have not watched it can also understand it.
And the heroine's childhood sweetheart is Kuroba Kaito.
There is not much content about "Twenty Faces" that will be partially explained.
The plot of Conan takes place at the end of the other two.
The following relevant text (spoilers):
GIN: This article is a wife slave.
Ken: A character in "Twenty Faces", the heroine's godbrother, this article is set to be the boss of the black organization.
Shuichi Akai: The first candidate for the male lead! ! Set as the heroine and the hero>///