In the world of 2035, the world population had been rapidly decreasing due to low growth rates. To solve this problem, every country in the world proposed that youths, at the age of 18, will get a partner for life according to their preferences, and get married immediately.

In fact, it was as well mandatory for every married family to have one child.

And that's how, they met. Partnered up with each other by the government system, and married, even thought they've never met once or knew each other.

Zhongli, 18, moved in his new home. Where he'll be spending the rest of his life, with this girl he was paired with. "Sigh." But that's when she arrived. "Oh, you're..Psyche, right?"