Having knowledge with crimes is a big deal but involving people with a connection to a crime is a big risk. Carnival, known as Carett Eye of Southern Flagista University, is considered a detective for her skills. A speer momentum change all of the sudden when a boy around her age transfered. As she goes through investigations with Yori, they involved themselves in the most dangerous one to avoid. Loved ones were involved and they need to finish what needs to be done before the lives are taken. Would they succeed?