It's now one and a half years since Akira and Takuma met for the first time. Akira now works at a medical university hospital and Takuma works in the security department due to his failure to follow orders. Takuma is ordered to work security detail for a politician named Eikichi. 26 years ago, Eikichi was the chief of the crime department responsible for the investigation into the Tokyo Sky Land explosion. The Tokyo Sky Land explosion caused the deaths of Akira and Takuma's fathers. Akira currently has a 16-year-old patient named Aki, who he cares for especially. Aki is waiting for a heart transplant. She was saved by Akira when he worked for IMAT. A donor for Aki’s heart transplant is found and her doctor Ayaka and Aki are hopeful. On the day of Aki's heart transplant Akira and Yukari participate in the heart transplant surgery as assistants. When the donor’s heart is taken out of the container.