Ruby

Ruby is first introduced when Jonathan receives a call from her about the letter, which he does not answer. The next day She is mad at Jonathan because he didn't pick up her calls. Ruby is killed after She and 3 others -- Cassius, Jonathan, and Faith-- are chosen into the Collar Challenge. She was vary close to receiving her key but fails after Cassius takes it and hands it to Faith.

Placement - 13th Place

Cause of Death - Decapitation

Reasoning - She failed to receive the key to free her

Trivia

 * She was in the same limousine as Jonathan and Thomas
 * She was the first character other than Rose introduced
 * Jonathan was aware that she had also been invited to the party