Shisui discovers that time doesn't run in a linear fashion and that he doesn't understand reincarnation when he is reborn as Sakura Haruno, whose life overlaps with his previous one. At least Itachi ended up in this mess with him.

When you're forced to remember someone you love through a slab of marble with words forced onto its once smooth surface, it can be hard to find strength and believe that you have anything worth fighting for. Pre-RE5 one-shot.