In the days that followed...
Yanbai went wandering around Konoha Shinobi Village every day.
Madara Uchiha had grown used to staying home and refused to go out with Yanbai. Whenever Yanbai was away, Madara sat in the living room, "playing games."
Using his Dōjutsu, Yanbai simulated all sorts of bizarre holographic worlds for Madara Uchiha.
The two had settled into a different way of life, but their days remained just as comfortable.
Sometimes they sat together in companionable silence; sometimes they spent a little time apart, giving each other their own space.
Yanbai leisurely browsed the streets of Konoha, while Madara happily strolled through the Dōjutsu World.
So much so that...
When Orochimaru came home to visit, all he saw was Madara Uchiha buried beneath a sea of cats.
"Dad?"
Standing in the entryway, Orochimaru gazed from afar at Madara Uchiha, who sat upright in the middle of the living room.
Madara Uchiha simply sat there, covered in cats of every color and pattern. The cats surveyed their surroundings warily, like diligent guardians.
Madara's eyes were open, his pupils filled with the pattern of Yanbai's Sharingan.
Orochimaru was no longer the ignorant child he had once been. He immediately realized that Yanbai had used a Dōjutsu on Madara Uchiha.
To Orochimaru, it looked as though Mom had used a Dōjutsu to control his elderly father. Yanbai had abandoned Madara Uchiha at home to stare blankly into space, while a pack of cats surrounded Madara, baring their teeth to keep Orochimaru from approaching him.
Thoroughly disheartened, Orochimaru had no choice but to retreat to the entryway.
One cat followed Orochimaru as though seeing a guest out, effectively blocking him in the entryway.
Orochimaru had been forced to put his work aside to care for Tobirama Senju, who was now gravely ill.