Developer: Charade Girl's
Genre: 2DCG Simulation
Belphegor is the demon lord scheming to throw the whole world into total depravity.
In an attempt to have the protagonist (you) on her side, she tries to make you corrupted in various ways.
Will you succumb to the demon lord's temptation and live debauchery? Or, in the protection of the light, live an old pledge?