When the campus bell tower rang the three o'clock bell, Lin Shen was staring at the strange message that popped up on the screen of his mobile phone, frowning slightly.
"Rule 1: In three days, the moon will turn red. During the red moon, please ensure that all mirrors in your space are covered and do not look at yourself in the mirror."
"Rule 2: Tap water will not be directly drinkable starting from early tomorrow morning. Bottled water is safe, but you need to check whether the bottle cap has a black triangle mark and discard it if there is."
"Rule 3: Products with prices ending in '7' in supermarkets are safe. Please be careful when purchasing the rest."
"Rule 4..."
