An Kang, an experimental specimen, escaped from the base one day.
He lived a brief, peaceful life as an ordinary person.
His new roommate introduced him to a game.
The shadow of the experiments began to loom over An Kang once again.
When the real him, who had been asleep inside another body, finally awakened, the truth was revealed at last.
[Two worlds, two endings.]
[Loyal Dog Top x Oblivious Bottom]