From BangAQUA: Kaede transferred to a boarding school so that he would be able to look for his brother. They had been separated when they were still kids. There, he got to know a popular guy named Senoo Subaru (Kou). Kaede did not really like the presumptuous Senoo at first, but later on he found out that in the underground room where Senoo and his buddies usually met, clues as to his brother