A Jinchuriki whose heart was in sync with their Tailed Beast could switch with the beast inside them at any time, letting it take control of their body. Killer B and the Eight-Tails, Naruto and the Nine-Tailed Fox—both had done something similar.
There had never been any barrier between Wu Yu and Jade Rabbit from the very beginning. When Wu Yu's consciousness fell unconscious, Jade Rabbit naturally took over his body. Besides, Jade Rabbit's Eight Trigrams Seal had never been locked in the first place.
In theory, if Jade Rabbit wanted to leave Wu Yu's body, all she had to do was jump hard and she could get out. Of course, the consequence would be Wu Yu, as the Jinchuriki, dying on the spot. Jade Rabbit didn't want Wu Yu to die, and Wu Yu's body was very comfortable, so she behaved herself.
But seeing Wu Yu's body about to collapse, Jade Rabbit instinctively took over anyway.
"Is this what having a human body feels like?" Wu Yu (Jade Rabbit) curiously looked at her hands, touched both arms, then felt around in front of and behind herself. "Wow—"
Left Mysterious Sakura shuddered and rubbed the goosebumps on her arms. "Th-this, this—what is going on?! Wu Yu, you—"
She looked at Wu Yu (Jade Rabbit), then at Right Mysterious Obito (Wu Yu) over there, muttering, "Did your ninjutsu fail and break your brain?"
"?" Wu Yu (Jade Rabbit) gave her a strange look and sweetly said, "No, Wu Yu's ninjutsu succeeded. Look." As she spoke, she pointed at Right Mysterious Obito (Wu Yu).
"Please don't talk in that tone!" Left Mysterious Sakura's hair practically stood on end.
Though Wu Yu (Jade Rabbit) did not understand, she pursed her lips and blankly looked toward Right Mysterious Obito (Wu Yu).
"So that's how