Please Marry Me Again!

As a so-called "half-noblewoman," Shurya Littenheim was shunned by all in high society except her husband, Grand Duke Kardi Esperand. So when the powers Kardi inherited from his family start to slowly kill him, Shurya gladly makes a deal to sacrifice her own life instead. Upon her death, she's reborn as her younger, single self, and this time......