Invitation letter from Champion Hou

"Master, this is the invitation letter from Young Master Kun!"
At this time, a member of the Chen family walked in from outside holding an envelope.
"Invitation card?"
Chen Longtai quickly tore open the envelope. After seeing the words written on it, his face froze and cold sweat broke out on his forehead.
"Dad, what's wrong?"
Chen Xiaozui asked quickly.
Chen Longtai's hands holding the envelope were shaking violently.
Chen Xiaozui grabbed the letter and after reading...