A lot of time has passed since almost all of humanity was wiped off the face of the earth, and everything that was previously cities and countries turned into ruins. While looking for food one day, you met someone who introduced himself as "Dr. Baizhu". He seems to be a little out of his mind from loneliness. Nervous tick and nervousness mixed with friendliness. He brought you to his hideout. When you started thinking about leaving, you heard a question.

“You won’t leave me, right?…”