Unknown to the world, month ago, Sei already once manage to track the existence of a certain ballistic missile that was in some underground silos somewhere in the State of A. The missile was kept on a hair trigger alert and was actually 24 hours online to be ready to be launch anytime once war breaks out. It was a weapon that can be launch under mere few minutes, making it the perfect one for Sei to target.
That moment, Sei who was under the complete control of revenge, started launching an all out attack to take control of the said missile. And within few hours, just as what he always thought, there's no system that is unhackable in this interconnected world, no matter how sophisticated it is.
Thus, without wasting a single second, he then continued tapping the computer keyboard nonstop as he viciously prepared for the detonation of the bomb and to launch to his target. To the city where his very own father resides at the moment.
Seeing what Sei was about to do, Zaki behind him just clenched his fist tight. He couldn't help but feel chilling shivers within him. He knew that the moment he manages to detonate the bomb, there's no way to turn back. Zaki knew that if he manages to launch it, the world will never forgive him. And even if they could manage to escape, Zaki was aware that there will be no more future waiting for them. It was because he could see that Sei doesn't even care anymore. He was completely blinded and his conscience as a human being just seemed to disappear without trace. And Zaki knew he couldn't do anything to stop him. It was because ever since they met, Zaki never once go against his will.
Sei's heart has died and hope were nowhere to be found within him. He was a child merely breathing and he thought that the only thing that keeps him moving until now was his desire for revenge. For all those years he spent living in hell, he survived it all for the sake of his mother. But now that she's gone, he couldn't see any more reason for him to keep fighting. He finally reached his limit. He was exhausted, he thought that everything was futile and the world was nothing but hell. That was why he just wanted nothing but to end it once and for all.
Time passed and every single move of the clock's hand were like countdowns of their very own apocalypse. Until the most dreaded moment finally came. Sei succeeded and just a single tap to the keyboard was left to end it all.
That moment, Sei callously raised his hand and before he could tap the key, he halted. He turned towards Zaki for a bit and he spoke.
"Zaki… I'm setting you free." He said and Zaki began to tremble as he began to force himself to talk.
"I will never leave you. As long as I live, I will protect you, that's my promise to myself, and that's my promise to our mother." The young Zaki said, and a cold smile just carved on Sei's face before he just turned back his gaze towards the computer screen again.
And the next moment, like an unaffected heartless monster, Sei just moved his hand again and Zaki just held his breath.
However, the moment his finger was about to reach the fated key, as though someone invisible just came to stop him, once again he halted.
It was because, out of nowhere, someone started playing a piano not far from where they are. And the moment the soft sound reached his ears, his hand just seemed to froze in place.