The talisman I drew must be banned

After Jiang Cheng traveled through the world of cultivating immortals, he found that he had no talent in cultivation, but he was surprisingly talented in making talismans.
…
Buyer: "Brother Jiang, I need some talismans for self-defense."
Jiang Cheng: "This fireball technique suits you very well."
A few days later.
Buyer: "Brother Jiang, why is there something wrong with your fireball technique?"
Jiang Cheng: "Is there a fire?"
Buyer: "It's really burning."
Jiang Cheng: “Where is the ball?”
Buyer: "I did see it."
Jiang Cheng: "Did you defend yourself?"
Buyer: "I lost my virginity."
Jiangcheng:? ? ?
Jiang Cheng: "Then you come..."
Buyer: “I want to buy another 100 million copies!”
…
This book is also known as "The Expansion of the Sect Rules Starts with the Talismans I Drawn", "I Didn't Destroy the Customs of the Immortal World", "Traveling Through Time and Being Forced to Defend Innocence", "The Fireball Technique Is Promised, But How Can It Be a Fire?" , "Who can fall in love with all the symbols drawn?"