Abnormal Rodeo Blues

One day, two bodies were found in a factory. Although there were gunshot wounds, the cause of death was determined to be asphyxiation. One was Hideo Goto, who was on the verge of his breakthrough as a unique actor in his twenties. The other was Kouji Kawamura, who was also a DJ in his teens. Kawamura was once involved in an incident and was imprisoned. He is now working at the company of his childhood friend, Hideo Goto. What really happened between them?