Connector of Seas And Mountains

Y/n a Doctor who only knew how to make tactics in war and researching originium under the behest of a nation against his own will, his desire to leave for a peaceful life shatters once the Sarkaz king he trusted trick him into one of her plots, because instead of having to suffer the outcome of that plot he took his own life much to the dismay of the ones who want him dead by Thier own hands...

But instead dying ... Y/N found himself in another world ...a world free of devils, catastrophe...

He's Reincarnated in the early Periods of Asuka and Nara in Japan with his memories of the past becoming into mere nightmares and being a sickly second son in noble clan, how would he fair in his second life or would he need a third?

Warning: Will Contain Heavy AU, OOC , Probability of Lemons or Nswf, and Bad grammar and Writing,

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