My Husband, The Celestial Emperor

In her past life, Elara Everly was chosen by Marquis Sterling. Her sister, Faye Everly, married the simpleton Caelus but killed Elara. Reborn, Faye snatched Marquis Sterling's red string, framing Elara to marry the simpleton. Marquis Sterling was cruel; the 'simpleton' was the Celestial Emperor on a Trial of Love. Elara sought a peaceful life with Caelus. Caelus completed his trial, becoming Celestial Emperor. Elara ascended with Caelus to become Celestial Empress.