All the walls were lined with soundproofing, coated with acoustic paint. Unless there was some pretty vigorous wrestling going on inside, the neighbors wouldn't have a clue what was happening in the room.,"Breaking news! The Rain Night Murderer is highly likely to have fled into the residential area! We urge residents in the Old City District to secure their doors and windows, and absolutely do not open the door for strangers!",His heart pounded, and he nervously stared at the cat's eye, his arms bulging with veins.。