There was a smartphone inside the box. Although phones were not unusual in Martial City, this one stood out.

It was a high-end model from a major city, easily distinguishable by its oversized screen. What made Felix's expression darken was not the phone itself but the ominous feeling creeping over him.

After hesitating for a while, he carefully picked it up, his hands trembling slightly. He did not unlock it right away but instead flipped it over. The moment he saw the back, his jaw clenched tight.

The phone was encased in a transparent plastic cover, and underneath it was a perfectly sized photo of Melissa—his sworn sister. He did not need to power it on to know it was hers.

Felix had spent enough time with her to recognize her phone instantly, especially since she never changed that photo, no matter what phone she used. With that, he finally unlocked the phone, which still had over 40% battery.

He entered the familiar password and gained access without issue. A few minutes la