Countdown to the Mysterious Days, Profile Your Heart

High school student Jiang Xu picked up a strange bloody notebook at Antai Middle School, and his peaceful campus life was completely broken. Jiu Chi, the vampire spirit who infiltrated in the form of a classmate, approached step by step. Chu Xiao, whom he had a crush on, and Shi Hanxiang, who was bold and cute, were also involved in a series of bizarre mysteries. As the mystery day continues to count down, in the process of exploring the truth, Jiang Xu not only uncovers the secrets of the supernatural, but also sees clearly the feelings of himself and the people around him? "Countdown to the Days of Miracles, Profile Your Heart" - Before the doomsday comes, for whom does the last heart beat.