In truth, Tsunade had a secret: she suffered from hemophobia.
She possessed an intense fear of blood.
The reason the Genjutsu Game "Homecoming" could be played was because the version released publicly was a censored edition. To accommodate users, the censored edition included a sanitization mode, turning all blood green and blurring out organs and the like.
That was why Tsunade had not shown any adverse reaction at the start of "Homecoming."
However, as the story progressed, Tsunade grew increasingly distressed.
Through exploration and the plot's gradual revelations, Tsunade discovered that the Konoha ninja she played was not simply someone who had encountered something sinister. He was already dead; only the obsession in his heart had kept his soul from going to the Pure Land, where the dead should have gone.
All he wanted was to return to his hometown, return home, and see his family one last time.
The horrifying scenes, the twisted Female Evil Spirit, and all the things symbolizing negative emotions and death were, in fact, events he had experienced while alive. After his death, they had transformed into nightmares that clung to the 'protagonist.'
Or rather, they were the rules of the world, trying to drag the 'protagonist,' who should not have remained among the living, back into the underworld.
And this entire tragedy had originated from the Ninja World War.
The brutal Ninja World War had killed countless people and left countless others suffering through the war, losing everything. It had also made the 'protagonist' endure endless pain until he ultimately lost his life as well.
Everything representing death, negative emotions, and slaughter was simply everything the 'protagonist' had experienced during the Ninja World War.
Yet the obsession in his heart made the 'protagonist' persevere, keep moving forward, and strive to return home to see