At that time, Batavia was gripped by a series of bizarre murders. and it was in the midst of this situation that Ratri discovered that some of her classmates were not ordinary people. He caught one of his friends sucking the blood of a girl when he returned home at night from STOVIA. Assisted by her new friend Maria, Ratri then tried to investigate about the young man. What is really going on?! (Source: Shonen Fight, translated)