

In the 262nd year of the Dragova Era, melting polar glaciers and rising seas swallow countless nations. Ancient sea beasts awaken, invading human lands. On January 1 of year 263, the Rank-10 beasts strike humanity’s last territory, Taelsky. Led by General Alaric Thorne, the elite Dragova Squad fights bravely—but by March 12, they are all annihilated.

Five years ago, Hailey Penn and Damon Mercer are lovers, but Damon conceals his identity as heir to one of the capital's most powerful families, working undercover as an ordinary employee at his family's branch office. They break up due to a misunderstanding, and Damon suddenly vanishes. Hailey gives birth to their son Cody and struggles as a single mother for five years. When her job transfers her to the capital city Esrane, she unexpectedly reunites with Damon at a business dinner. They clear up their misunderstandings and finally build their happily ever after.

When icy CEO Robby erupts in anger, Yael suddenly awakens the Confession Shock System, gaining overwhelming power after just two confessions. But he must confess successfully within three days—or face annihilation. As a man from Purple Mountain tries to force Robby into marriage, Yael repeatedly saves her with his newfound strength. Love blossoms amid danger, and together they rise against the forces of evil.