I Lost My Shield After I Failed to Conquer Qing Leng Emperor.

The Heroine Is a Supporting Female Character Who Redeems the Yandere, but the Yandere Only Loves the Heroine and Hurts the Supporting Character.

It's best to write about cultivating immortals. The heroine has been accompanying and caring for and redeeming the hero, hoping to change his yandere. However, the hero still fell in love with the original heroine and even killed her for her sake (please!)