After becoming pregnant with her second child, Izumi's husband Isao's condition worsened. Despite the wishes of Izumi and their eldest son Kunichi, Isao passed away. The naming of the second son became his last will... Twenty years later, the second son named Kuni II was being bullied. He had even refused to go to school. Seeing this, Izumi felt regret, but every time Kuni II heard his name called, his hatred for his mother grew. Eventually, something inside Kuni II exploded…
