When I went back to the room from the backyard, I felt a dense cold sweat oozing from my back. I sat at the table and drank water one by one, but my heart was blocked by something.

I got up from the stool a little impatiently, opened the bag I brought from modern times, took out my mobile phone, but as soon as I turned it on, it automatically shut me down.

well, I haven't used it for a long time. In the past, when I left the mobile phone, I felt insecure. Now I can't remember its existence for several months.

although I have a solar charger, it's...