Grace, the head of House Elresia, was known throughout the world as both a Saintess and a Demon for her mysterious ability to turn back time. Though she had saved countless lives, she could never cure her own illness. 'I’m tired. I just want to rest.' And so, she finally passed away, believing she could at last find peace... only to wake up and wonder, 'Where am I?' 'Has it really been 300 years since I died?' Now, Grace, or rather, Ceres, has suddenly become the eldest daughter of a completely ruined noble family! Well, 300 years and a ruined family are all fine and good, but...
"Excuse me. Have you seen my blue stone?"
"If you can’t pay, you can repay me with your body."