Eiyuu to Kenja no Tensei Kon

Synopsis:

Reid, a young hero with the strongest physical strength, and Elria, a beautiful sage with the strongest magic prowess.They continued to fight as rivals in opposing enemy nations, but their relationship came to an end with the sudden death of Elria… Then, a thousand years later,Reincarnated in a world where magic reigns supreme, but he who has retained the strongest physical strength from his previous life, Reid, was reunited with Elria, who has also been reincarnated―“Hey, Reid— I want you to marry me.”“…Huh?”The two, who have become the strongest unaware lovey-dovey couple in a thousand years, enrolled in the Royal Magic Academy to decide who is stronger!