When Konoha reorganized its residential districts, Kazemori Masaki's home was also relocated, but unlike the other ninja clans, he did not move away from the areas where civilians lived. After all, the Kazemori Clan consisted of only him and his wife, so there was no need to set aside an entire district for them. Besides, Masaki believed he should have more contact with civilians rather than maintain some supposed air of mystery.
At the High-Level Meeting, Masaki volunteered for work involving the Ninja Academy. He would not need to go out and deal with potential enemies, only handle administrative duties. Although Tobirama felt this was something of a waste of his talents, he eventually agreed after repeated requests and assigned Masaki to plan the Ninja Academy's education program alongside Mitokado Homura.
This was exactly what Masaki wanted. The Ninja Academy would be the source of Konoha Ninja Village's future fresh blood, and it had to be taken seriously. So, over the following days, he racked his brains, writing educational proposals and drafting teaching materials for the academy.
Since he only needed to stay home and was not as busy as before, he had more time to relax with Satomi. Before long, she became pregnant.
When Senju Toka learned of this, she came over to fuss over Satomi and make sure she was well. She had been eagerly awaiting Masaki and Satomi's child. During her battle with Ginkaku, she had thought she would never live to see that day. Now that she had managed to survive the brutal Shinobi World War, she naturally wanted to cherish it.
The injuries she had sustained fighting Ginkaku had mostly healed, but Toka still suffered some lingering effects. The damage had probably affected more delicate parts of her body, beyond what Konoha Ninja Village's current