The Black-clothed Guards fell silent for a moment before someone asked, "What do you think of her statement? Does this 'Mirror Image' phenomenon really exist?"
"It's not without reason..." No. 24 from the Great Science Academy said through the headset, "There is a physical phenomenon that everyone should be aware of, called quantum entanglement. Change the state of one quantum particle, and another quantum particle will be similarly changed."
"There is also a mathematical theory called Poincaré recurrence. In a closed system, any particle, after a very long period, will inevitably return to a position infinitely close to its initial location."
"It is impossible for two leaves to be exactly alike in this world, but there are leaves that are similar."
"If there are similar hospitals in two worlds, that would be a normal occurrence... After all, there are so many stories in the world, and it's even more common to find people with the same names."