Shin Uchiha felt quite secure about those he would leave behind. After all, Uchiha Mikoto was the person who mattered most to him now, and he had already placed a Space Mark on her. If Mikoto ever faced danger, a single thought would teleport her back into the Takamagahara Space. Even if he stayed by her side to protect her, he could hardly do better than that.
Besides, he could return at any time. With the Space Mark working in tandem with his Eternal Mangekyō Sharingan, Shin Uchiha could come home for dinner and sleep every day even while away, then use the Space Mark to return the next morning and continue his journey and missions.
Shin Uchiha simply did not want to do that, since it would draw too much attention. His spatial dōjutsu was one of his trump cards, so it was better not to use it too frequently outside. Besides, he was currently a member of the Anbu, and officially, any mission that took him out of the village still required orders from the Third Hokage.
Going out on missions alone would also make him stand out. Shin Uchiha planned to have the Third Hokage assign him a teammate. With someone accompanying him, he would not seem quite so unusual.
Through the Third Hokage, Shin Uchiha had also learned the name of the purple-haired figure he had encountered on his first day at the Anbu Base. She turned out to be Uzuki Yugao, who had appeared at Gekko Hayate's grave in the original story. She, too, had only recently joined the Anbu. After Shin Uchiha saw her that day, she had left the village on a mission and only recently returned. Since their assignments differed, and Shin Uchiha had also taken several days off, they had not