I Was Just Sneaking Around to Catch a Ghost, So How Did I Become a Celestial Master?

[Not-too-scary supernatural + pretending to be weak while hiding true strength + seemingly frail but invincible heroine + secret identities + face-slapping] Nan Zhu was abandoned by her family as a child and stripped of the surname Nangong. They also forbade her from using what she had learned from the Nangong family to read fortunes, divine the future, or drive out evil spirits for others. She grew up poor and hungry, and at eighteen, with no way to pay her college tuition, Nan Zhu had no choice but to earn a little money on the side behind her family’s back. Big Brother: “B City is my turf. Don’t come causing trouble.” Then a powerful evil entity sends him flying, leaving him spitting blood. Nan Zhu flicks a purple talisman at it, and the entity instantly vanishes into dust. Second Brother: “H City is my turf.” After being warned, Nan Zhu plans to leave, but then sees her second brother with a hand sunk into his chest. Should she save him or not? He says he’ll pay. Fine, she’ll accept, reluctantly. The Mu family patriarch is plagued by an evil entity and near death. No earthly medicine can help, so the family is offering a huge sum to find a doctor. Nan Zhu tears down the notice seeking a healer and walks off with the money as everyone stares in shock. “This is a spiritual illness. Medicine won’t help.” Then she punches the evil entity, leaving the little sister, who was performing an inviting-the-gods dance nearby, stunned. One punch was all it took. Why were you singing and dancing around? The Mu family’s eldest: “This is getting interesting~”