Okamoto and Kuroo who came to the United States. The two will visit the open surgery of Professor Reisenberg, a well-known doctor, at the Birmingham University Memorial Hospital. At the hospital, Okamoto reunites with Tiara, whom she met while studying abroad, and she introduces her childhood friend Johnny, an activist of the black liberation movement.

Painless Johnny feels no pain. The black men struggle to cure his illness. I asked Johnny many times and tried my best to find out the cause. At that time, a bush comes from Vietnam to visit Professor Risenberg.