Though the "biological exoskeleton" was a newly born life-form with powerful Chakra and a pair of enhanced Pure Byakugan, it had never received any training in resisting genjutsu. It might not even have understood what genjutsu was, so it barely resisted at all before falling into the illusion Shinji had created.
Within the illusion, Shinji began shaping the "biological exoskeleton's" worldview, giving it a sense of belonging to him and to the Akatsuki Organization.
He also gradually led the "biological exoskeleton" to accept the belief that it would coexist with Neji and strive to save the Shinobi World.
A moment later, Shinji emerged from the illusion.
The Eternal Mangekyō Sharingan in his eye sockets dimmed somewhat, clearly showing that he had overused his Dojutsu.
Even the Eternal Mangekyō Sharingan couldn't do whatever it pleased when casting genjutsu.
The only genjutsu that could truly manipulate time, space, and mass at will was Tsukuyomi. And the only one that could freely alter another person's will to suit its user's needs was Kotoamatsukami!
Shinji had mastered neither of these, so he could only force his way through with overwhelming Dojutsu. It was not only inefficient, but also incredibly draining.
Still, seeing the "biological exoskeleton" return to its obedient state, give up fighting Neji for control of the body, and even suppress its instinct to connect with the Giant Tenseigan, Shinji felt the Dojutsu he had just spent was worth it.
"Lord Shinji!"
The fear still lingering on Neji's face finally gave way to delight.
Shinji said, "From now on, you two need to work together."
Neji nodded instinctively.
The "biological exoskeleton," which had no mouth with which to speak, bobbed the enhanced Pure Byakugan implanted in its body to show that it would obey Shinji's orders.
Neji looked down at the scene, overcome