"I" accidentally joined a strange organization called "Heavenly Blood", where he met some people, experienced some things due to the mission, and gradually understood some things in this world... Finally, after an accident, he left the organization and carried out his ordinary life. He lived an ordinary life, but when he was cleaning up the room, he accidentally turned over a piece of paper. A line of words on the paper broke the inner peace he had been struggling to maintain. He fell into memories and decided to write out those memories and his own experience in the blood... --My name is Luoyang, today...