This is the world line that Okabe expects to miraculously reach in the countless world lines that repeat shrinking and expanding. However, Okabe’s existence on the world line of Destiny Stone’s Gate is already very elusive. He hesitated about the burden caused by the memory of other world lines. He could no longer stay in this world line. He escaped from the bounds and redness of justified death. The only world line where Risu died, so it was more unstable than other world lines and was shaken, so it became like Okabe had never existed in this world line.
In order to save Kurisu Kazuya, Okabe tried countless times until he succeeded. As long as time can be traced back, Okabe will certainly do so, but this will only increase grief. In the past The slightest change will have an impact on many other things. It is absolutely impossible to change the past as you wish. To save a person will lose one, turn the hard-to-achieve wishes into nothing, and uproot the feelings that have been deep in your heart. Even if I did it so thoroughly, I couldn’t achieve the changes I wanted. I could only continue to face the inescapable reality, countless times, countless times, Okabe shouldered the responsibility of all these sacrifices, and even so, I had to keep repeating it. In the process, the mind continued to wear away, and gradually lost the fear of being a person's feelings. Okabe didn't want anyone to repeat the pain, and resolutely chose to disappear.
However, the illusion-like feeling of sight is a trace of Okabe's existence, which is deeply imprinted in everyone's memory. Because of this, Okabe cannot be ignored. Kurisu went back to the past against Okabe's wishes and saved the boy who was confused about the future.
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