Bloody University

Heavenly Gray Collins is a skilled assassin and many admire her because of her talent and beauty. Many have tried to win her heart and bring her down, but none have succeeded.

Upon entering Bloody University to avenge what happened to her twin, where she studied and was killed by an unknown assailant. She needs to find out and bring justice to her twin's death.

Who or what is behind the letter D with a skull in the middle? Whose symbol is this and who is the person behind it?

Will Heavenly uncover the truth behind her twin's death upon entering, or like her twin, death awaits her as well.