Dream in CG, commonly known as DCG. A card game where a Player who plays the cards and an Actress who fights in a virtual space based on the card effects form a tag team. Actresses are ordinary girls living in the normal world. By forming a contract with a Player, they gain the ability to fight in virtual space.

The dark organization VG (Vice Greed). While the organization itself does not appear as a single character, its members may appear. They brainwash and dominate Actresses, remolding them into Slaves obedient to the organization. It is a dark organization aiming to create an ideal world by brainwashing every Actress in the world into a Slave. Their methods vary, from using illegal cards during matches to brainwash opponents, to forcibly seizing Actresses after winning with illegal cards.