C667 Absolute Eternal Night

"Why does the video have no research value?" Shen Ruyu inquired with curiosity.

Niffeslo glanced at Haphies Foxnard, who promptly pulled out a smartphone and displayed its screen for everyone to see.

It was pitch black—a completely dark screen with no visible image.

"Teacher, you forgot to unlock the screen. What can I see in this darkness?" Han Xiao kindly pointed out