Eunju is a female protagonist of the series and Dongtae's love interest. In terms of dice points, she would be a full "six". Initially depicted by Dongtae and everyone that she is the prettiest girl in the whole school, it is often overlooked that Eun-Ju never saw herself as someone special.

Spoiler

Having seen dicers lose their humanity, compassion and sensibility for the sake of getting their desires fulfilled and, ultimately, for X's entertainment, she possesses only one single powerful desire to eliminate dice from the world.