Kaname lost his older brother Souta in an accident, who was too young to die at seventeen. They are so different from each other that the only thing common between them is a book written by Tsujiura Ryousuke...

Sakiyama Youji has been absent for around year due to health problems. Upon returning to high school, changes started to occur to him. For instance, Shironuma Tetsuo, a guy who Youji rarely speaks to starts ...