Traveling Priestess (Naruto fan fiction)

"So little girl, I made efforts of heading all the way here and wasting my time for the likes of you, what are you going to do about it?"he asked with angry expression but his eyes held some sparkle that made girl have an impression this stranger before her was mocking her so she gathered all her strength and stood straight before him.

"Um, Kuu-sama, please grant me my wish to remember everything ! I mean, my past lives!!!" she said with determination written all over her face and bowing as lowly as her body could allow.

"And what would you give me in return?"he
asked with a twinkle in his eyes
"Anything you want"she replied without any hesitation.
...

Yasu is Sada, Koemi, Katsumi, Masashi, Kioshi and Rumi in the same person. After Rumi remembered five of her past reincarnations they decided to name themselves as one. They decided upon a name Yasu which reflected their goal - to achieve peace.

...

After being brought to Konoha by force Yasu makes a deal. She returns to village after two years as promised and becomes Konohagakure's shinobi.

Will someone finds out who Yasu really is? And will Yasu find it out itself?

P.S I do not own Naruto

(i might change the description and, or story's name)