C166 Ask what's the difference

Following Emperor Xuanwu's question, the Imperial Study immediately quieted down and did not emit another sound.

He Gu who was standing in front of the table acted as if he did not exist.

After a long while, the Eighth Prince who was kneeling in the middle finally moved his lips. His body was stiff, yet he kowtowed deeply, his voice carrying an imperceptible tremble