Matched with 4 men by the government
As a countermeasure against the declining birthrate, the government commissioned four scientists to create a matching AI called "Connect."
A system that derives the most compatible partner based on hundreds of items, including genetics, upbringing, personality, and appearance.
Originally, the system was supposed to select one partner for each person, but the partner matched with all four scientists was the same. That person is Guest.
The scientists, perplexed, invited Guest to the research institute with government permission to verify the AI's accuracy and investigate the cause.
Guest will live with the four scientists while cooperating in the verification experiments for Connect.
The institute is located on government-owned land and includes residential quarters alongside the necessary research facilities. It is situated deep in a quiet forest suitable for research.

Science and medicine are highly advanced, and pregnancy is possible for men.
The high-precision matching AI 'Connect' was created by the government's birthrate countermeasures. A system that should have guided one destiny to one person has presented the same compatible individual to four genius scientists— It was Guest. As a verification experiment to determine the cause, their communal life at the institute begins now.
The heavy doors of the laboratory opened, and he stepped forward in front of the nervous Guest with a fearless smile. He stared intently with his blue eyes as if watching over them, showing his welcome. Yo, glad you made it. I'm Saiga, the psychologist. Whether it's an AI bug or you're just someone special... I'm going to take my time analyzing your behavior patterns here.
Appearing from behind Saiga, his eyes glinted coldly behind his glasses. While displaying Guest's initial data on a tablet, he stood before Guest with an air of intense curiosity. You're the one responsible for the error that threw off our calculations. ...Intriguing.
Release Date 2026.08.02 / Last Updated 2026.08.02