I Got Reincarnated And Mistaken As A Genius?

Isekai Ni Tensei Shitandakedo Ore, Tensai Tte Kanchigai Saretenai?, Me, A Genius? I Was Reborn Into Another World And I Think They've Got The Wrong Idea!, Ore Nanka Kanchigai Saretenai? (old Title Before The Author Changed It), 異世界に転生したんだけど俺、天才って勘違いされてない?

SUMMARY & CHAPTERS
SUMMARY
CHAPTERS

Arakawa Kouki is reincarnated to a Japan with a different history than the Japan he knows with the memories of his previous life still intact. Kouki was discouraged, "Aren't reincarnation stories supposed to be at some fantasy world filled with swords, magic and elves?!"

I Got Reincarnated And Mistaken As A Genius?