C667 Absolute Eternal Night

"Why doesn't the video have any research value?" Shen Ruyu inquired with a hint of curiosity.

Mr. Xuan Ji cast a glance at Jialan Ziyu next to him. Without missing a beat, Ziyu pulled out a smartphone and displayed its screen for all to see.

The screen was shrouded in darkness, nothing more than a black void with no discernible images.

"Teacher, you forgot to unlock the screen