Tensei Koukyuuden – Kodoku na Hime wa Koutei no Aishuu ni Oboreru

Princess Eisuiran once chose death over surrendering to Emperor Habongsetsu, the man who ruined her kingdom. Yet instead of an ending, she awakens in a tranquil past, before her homeland fell. Now she must navigate a second chance, where love and vengeance intertwine in an unexpected dance.