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

Summary

Lin Shao Bai encounters Xue Qi Wei at a supermarket checkout, where she's struggling to pay. He pays for her items and a lollipop, then confronts the rude cashier who was impatient with Xue Qi Wei. When the cashier becomes aggressive, Lin Shao Bai strategically uses his phone to record the interaction and threatens to expose the supermarket's poor service and safety violations. His actions stem from gratitude towards Xue Qi Wei, who had previously helped him and other students from poor backgrounds by purchasing necessities for them.

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