I lost my parents in an accident, and I lived with my younger brother Takao in two. After graduating from college, he continued to work hard to find jobs for famous companies. AI and Takao were only waiting for the bright future... But unreasonable is to visit anyone suddenly. From the one mistake that Takao committed, AI was made to be fallen to the senseless people... It continues to be held every night and night from the humble men in the remote industrial waste station.