Reincarnated as a noble man

After Truk-kun takes another victim a loser girl gets reincarnated as a high class nobleman into a world of fantasy full of magic. He now as a new man has to navigate the noble world while getting new powers and allies. But its not all fun and games, theres a looming threat lurking in the shadows. Will the newly reborn William be able to fight the evil, or will he fail and become one with the darkness?