Aoi, a third year middle school student who attends an all-boy's junior and senior high school. Hinata, the mysterious "Dead of Night Man" who only appears at 2 A.M. beneath the sakura tree. An intense sense of intrigue deepens as they encounter through a chance meeting that expands into secret rendezvous... what will come of it? "——'Aoi's heart must be mine.' It seems that is the one and only way to obtain the Lemures Blue." A rose that is said to bring eternal youth to the living and give life back to those who have died. What could be the secret behind this phantom flower, the "Lemures Blue", and the lost prodigy, Akane?