Shinda Ouhi wa Nidome no Jinsei wo Tanoshimimasu - Okazari no Ouhi wa Hitsuyou Nai no Deshou?

"I'll live the remaining three years of this life however I please." Queen Cartia had her position and the King's love stolen by the concubine. Amidst her daily life of neglect, she closed the curtain on her life, afflicted by illness and full of regrets—... or so she thought, but somehow time had rewound three years!? If she might die of illness again in three years, she decides to live for herself from now on! Having resolved this, Cartia initiates her own dethronement and gains her freedom. Then, the Prime Minister of the neighboring nation, the Eisen Empire, appears before her. He offers her an invitation to become the Emperor's "figurehead Queen" in exchange for not getting involved in politics and guaranteeing her freedom—...