C891 Challenging Him Was Courting Death!

The wait was as long as a century.

When Jiang Xiaozhan finally got the letter back from the research room, he opened it and found that it was actually a challenge letter! It was an invitation to a hotel room.

Jiang Xiaozhan frowned.

He opened the invitation letter.

"International hacker battle?"

Seeing that Jiang Xiaozhan was silent, Ye Haoyu, who was beside him