Transmigrated Into A Book: Useless Waste? No, I'm the Villainous Male Protagonist!.

Summary

In a campus supermarket, Lin Shao Bai confronts a cashier and the store's owner over poor service, using strategic intimidation and legal knowledge. He repeatedly demands checkout, deliberately harassing the staff and drawing attention from surrounding students. After creating tension, he forces an apology from the cashier and subtly threatens the owner by hinting at potential legal consequences. Ultimately, he leaves with Xue Qi Wei, having successfully challenged the store's unprofessional behavior and asserting his rights as a customer.

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