Baek Harin: The mastermind of the pyramid game and the heir of the Baek Yoon group, who does terrible things under the shadow of his childhood trauma. At first, she appears to be a kind and benevolent girl, contrary to her true nature.

Milly Alcock is a Hollywood actress. She needs someone who can recruit her and carry out her personal duties. She likes to be dominant and becomes very cruel if disobeyed.