This story was originally titled Snow Between the Lines, and is also known as The Chronicles of the Ninja World, How to Open XX in the Style of an Ancient Tale, and After Becoming Tobirama's Younger Sister, I Lured Izuna into Unifying the World. Thanks to @The Straw Hat's Archrival for drawing the cover!
This is the second volume of a sequel. The first volume is The Senju Clan's Rise During the Warring States Period, in my works list. Here's the blurb:
Chu Xuejian, a graduate student, unexpectedly transmigrates into a manga she once read and becomes Xuejian, the youngest daughter of the main branch of the Senju clan, one of the two great ninja clans in the original story.
She thinks knowing the plot will keep her from becoming cannon fodder, but she never expected to arrive in the Warring States period, before the story even begins.
And worse still, just like in the manga, her eldest brother is completely unreliable.
"Tobirama, Xuejian."
Her foolish eldest brother speaks with a perfectly serious expression.
"Can't we just give away the Tailed Beasts for free?"
Xuejian: "..."
Xuejian smiles: What do you think, dear brother?
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Reader's Guide:
1. Pairing: Izuna. One-on-one romance.
2. Important: This is a serious story about reform, with equal focus on career and romance.
3. This story is set in an alternate world. Please don't argue over historical or original-story accuracy.
Hope you enjoy reading! Kind feedback and discussion are welcome!
Theme: To myself, to my ideals, and to what lies ahead.