If Sasuke knew that one rainy day in the future, Itachi would take everything and die in front of him;
If Itachi knew that the Sasuke he met again was no longer the Sasuke he was familiar with;
If this world is a world we are not familiar with;
How will this story develop?
——This is this article.
All in all, this article is that Itachi and Sasuke are very [happy] together after the joy and abuse~
Finally, about the title of this article, it comes from [regret] written by Mai Hoshimura. You can listen to it sometimes, it's very good.