C61

Cheng Hanlong returned home at noon. He opened the door and called out twice, but no one responded. Cheng Hanlong looked around every room and found no one. He picked up the phone and dialed Cheng Cheng's number, but the phone rang in the other room. Cheng Hanlong picked up the phone Cheng Cheng had left at home and slowly began to feel uneasy.

Cheng Cheng usually did not go out at noon