Hidden Immortals in the City, I Will Help Dongda Reach the Nine Heavens

[Everyday style, no heroine, wide imagination, hidden fairy in the city] Chen Bai bound the most useless system in history. Bite! Cultivation level -5. [Ding! Cultivation level -8. [Ding! ...] In 22 years, despite a body that would collapse when the wind blew, I managed to build a small shop of my own. And the story... Also begins on this day. Dongda's war song of conquering the heavens also began to play. The introduction is too weak, so please move on to the main text...