Hidden Overblot (Twisted Wonderland Fanfic) completed

Yuu had a secret, They had been hiding it sense even before the first OverBlot. However Recently the Coughing had gotten worse. They would Cough black liquid out. Especially late at night when they truly felt alone. One night it gets worse. Yuu calls to Grim to go get help before they have another Incident. Only for G...