The Bloody Case Sparked by a Biscuit

[No CP, decisive and ruthless, no angst, no dithering, never lets a slight go unanswered, violence for violence, revenge System]

"Aaaah!!! Who was it!!! Who the hell ate my cookies!!!!"

At midnight, a young man named Yun Nu stood on a desolate mountain covered in graves and roared.

Deep red flames engulfed his body as he glared around, searching for a target.

In the distance, a starving ghost in tattered clothes clutched a small cookie, cowering behind a tree.

"Aaaah!!! Whoever you are, if you dare steal my cookies, I'll wipe out your entire clan! Kill them all, every last one!!!"