Blood Hourglass (血之沙漏) by Quiet Forest (林静)
The Blood Hourglass, a powerful object capable of causing time to become eternal and reversing the future. A mysterious girl was born into this mysterious world with a mission to uncover her own secret. She uncovers the truth about the world, discovering the three realms that exist in the world. Bound by blood, twisted by fate, and given the Paradox of Choice, her only hope is to forget the past in order to not abandon both present and future. The future is full of surprises and tomorrow is filled with hope.
All the chapters can be found here: