Villain Retirement - Chapter 1127: How?

“Jiang Yu transmigrates into a novel and becomes a side character in the book.

One day I got a younger sister.Only I know her true identity.

A continuation from where High School DxD Volume 25 left off.

She was dressed in white, with a mysterious orchid imprint on her forehead, her skin like jade is always covered with a veil. Since childhood, she had left her parents due to her special status and lived her life with her master in the clouds. She was not yet ten when her medicinal skills were renowned in the world. In order to save the people, she descended the mountains, however, she encountered a storm on the way to the epidemic area. The man who saved her would tease her for enjoyment, little did they know…