The Fairs' Mechanism [Scifi-Action Novel.]

The story takes place in the year 2119.

In the past before the 2119 year, a certain scientist had made a substance that made the life of humanity changed. The substance abused the law of nature and create floods, and making the seawater rise up to a highest building level.

Humans found their way to survive by living underground and since then, technologies advanced even more than how they used too.
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In the US territory, lived a male teenager named Caio. He is a gamer and a homebody. His parents were from different territories at a different region. They came to US territory to make profit for their living. But they are long gone already.
And so Caio's oldest sister, Cora, took the role of the parent instead. She is a university professor. But what Caio didn't know, is that his middle sister, Caley, was once mixed up in a suicide mission once and they failed as caley escaped. The enemy from the last mission tracked down Caley to finish her off. Now her siblings are mixed up in these problem.

original novel authored by @CarlsJoseph, a k a, me.
(ongoing)

Genre : -
SciFi.
Fantasy.
Action.