Ch. 21Where Did the First Hokage Learn Senjutsu?
Kenichi Amamiya planned to summon Hashirama Senju with Impure World Reincarnation so he could learn Senjutsu, while continuing his research and training. After learning that Kushina Uzumaki was pregnant, he asked whether they could obtain a piece of the Nine-Tails for research.
- Orochimaru warned Kenichi Amamiya that Third had become suspicious of him and reported that a test subject whose ribs had been removed had died after his lungs failed.
- Kenichi Amamiya considered summoning Hashirama Senju with Impure World Reincarnation to learn Senjutsu, then spent a month preparing materials and improving his strength and ninjutsu.
- Orochimaru told Kenichi Amamiya that Kushina Uzumaki was pregnant, information kept secret because she was the Nine-Tails Jinchuriki.
- Kenichi Amamiya asked whether they could cut off a piece of the Nine-Tails for research.