Doctor Okano said, "Thirty years ago, Ichikawa Kotaro was my father's business partner. The two of them worked together to build their enterprise and made it through the hardest times side by side. But good times never last. Ichikawa and another investor joined forces and betrayed my father! And then..."
Then his father died of illness, and his mother wasted away from grief. In short, he and Ichikawa Kotaro were irreconcilable enemies.
"To my shame, at first, I didn't have the courage to take revenge.
"I rose early and worked late, studying hard for so many years before I got into medical school and became a doctor. The thought of throwing away my life over scum like Ichikawa was unbearable."
Doctor Okano sighed. "But who would've thought that bastard would put on such a performance? It just so happened that, during a union meeting, I heard Doctor Utsumi mention that at a hospital on their side, a nurse had mixed up medication while administering an injection, causing a patient's death.
"At first, nobody around her noticed anything was wrong. It was only later, when the hospital was inventorying its medicine, that they realized something was off. The nurse had offended people before, and someone exposed the matter. That was how the police found out.
"So I thought I might as well take advantage of it and kill Ichikawa while he was pretending to be sick. That way, he would also 'die of illness.' I just never expected that bastard to have installed cameras so he could review everything afterward."
As Doctor Okano spoke, he clearly found Ichikawa Kotaro's behavior impossible to understand as well. Grinding his teeth, he gave his opinion: "That twisted freak and his endless theatrics! Did he think he was filming a television drama? He actually installed