C293 Problem!(1)

Suddenly, the sky was alive with crisscrossing sword qi, and Ye Gu's tall, athletic figure dominated the scene. Wang Yufei watched intently, not daring to blink, as Ye Gu brandished his sword. He knew Ye Gu meant what he said—if he promised to demonstrate only once, that's exactly what he would do. If Wang Yufei couldn't memorize the sequence on the first try, he knew he'd be in for a rough time