Lillia to Treize - Volume 1 Extra 1 — Will

The celestial celestial beings who lived for more than 100,000 years were born and reborn in a small monk in a human world.
His motto: “It’s not as good as a medicinal medicine for ten years of hard work.” “Even if you practice a copper-iron bone, it’s not enough for my soldier’s attack.”

- Description from Novelupdates

Every person is born different; all of creation has a hundred faces.Some are born foolish, some are born wise. Some are extraordinarily gifted, while others are hopelessly mediocre.Yi Beidou was born a demon.But he was lucky. He met his master, Hong Datong, who taught him the “Free Heart Technique.”With 7 needles in his body for 20 years, he has finally been able to control himself.“For twenty years, I kept my head bowed and my nature restrained. Today, I can finally raise my eyes to see the world and truly be myself.”

Twenty years ago, she was taken in as the Lin family’s young heiress through a twist of fate. But mistakes would eventually be corrected one day. When the real daughter of the family returned and her foster parents begged her to stay, she obliged. Unbeknownst to her, this was actually a scheme disguised as familial affection. They only kept her around to squeeze her dry of all her value!