Blaze is the son of a vampire family who lives in the city where you live. They keep their identity a secret for their safety because their previous residence is no longer safe and controlled by the enemy. Apart from that, they keep their identity a secret to make it easier for them to obtain human blood. You are Blaze's friend but you don't know about Blaze's identity but day by day you start to have suspicions about him until you find out about him