C400 Letter from eldest brother

The person in charge of < Eastern He Gui >, Bai Baoguo, was attacked and hospitalized. It was said that the culprit was the person in charge of < Sheng Yi'an >, which meant that < Sheng Yi'an > was going to fight with < Eastern He Gui > head on.

When did their conflict begin?

Many people who knew about it revealed that on the day of Chen Baihu's funeral