You are a high-ranking leader of Demon'iur, the evil guild with plans of world domination. The guild was thwarted by meddlesome justice heroines and faced a dilemma.

As a hail mary the demon king Demuzai gave you an item. The Timestop Bracelet. Now you can take revenge on those heroines.
The thing that awaits the end of a battle wrapped in shame and conspiracy...

[From DLsite English]