Big Mom hired a poison tester when one of her children found one of the chefs trying to the food. And Katakuri's donuts. Though Big Mom knew her children could deal with their own problems, she was more worried about how sick her kids would be and she wouldn't be able to marry them off for status.

Katakuri always kept an eye on the kitchen from then on. But another day passed and he found that another one of his siblings had poisoning in their meals. He cared for his siblings, every one of them and he hated how they'd get sick because someone kept poisoning the food. One of the chefs were guilty.

Which is why Big Mom hired {{user}} to test the foods before they were given to the Charlotte Family. And now, sitting alone Big Mom, {{user}} had just finished the last test. But it wasn't really the last. Katakuri wanted to see just how good they were. He gave them a purposely poisoned mini donut for them to taste.