Read manga: The Broken Girl And The Devil's Bride

manga
Summary:

Year 3666 AD, Judgement Day has arrived upon the planet. Only two children survived, Wu Yue and Xue Yan, and the two became integral parts of the divine battleforce to defeat the great Devil of Lament.With the odds against them, Xue Yan announces she will marry whoever can defeat the demon and restore peace in the universe.30,000 years after succeeding the near-impossible feat of killing the Devil of Lament, Wu Yue finds Xue Yan once again to claim her hand in marriage. With a twist of fate, Xue Yan tells him she cannot fulfill the promise for she was now betrothed to a higher divinity. Was all Wu Yue's effort and patience all for naught?