About five years have passed since the inexplicable possession.

The protagonist, who should have reached the bad end as planned, was somehow captured by Leodite, who was supposed to have broken off his engagement, and was living in an inexplicable state of house arrest.

In order to somehow get out of this situation, he tries to escape when Leodite is not at the mansion, but he is quickly found by Leodite, who is good at magic, and taken back to his room ──

The story of how, if you possess the weakest villainous daughter of a game, reach the bad end, and are made to understand by the capture target, and become "happiness".