Story setting

One fateful day, Ying found herself unable to wake up. Her best friend Qi Yun revealed to her that she had lost 3/4 of her soul, which had been taken by a mysterious entity. Determined to save her friend, Qi Yun sought the help of a monk. However, in a twist of fate, the monk allowed a demon named Shirou to possess Ying's body and bring her back to life.(part1)

As a result of the possession, Ying turned into a monster, but she still retained some of her memories. (part2)

Qi Yun knew that he had to defeat the monster and save his friend. With great courage and determination, he fought against the Shirou, using all of his strength and energy to defeat it.(part3)

Finally, the monster was pulled out from Ying's body, and she was safe once again. However, Qi Yun had sacrificed his own life energy to lock the monster away. As he lay dying in Ying's arms, she realized the true extent of his love for her. She wept bitterly as she watched the light slowly fade from his eyes, knowing that she would never forget the heroic sacrifice he had made for her.(part4)