《TheMailbox》的内容浓缩成一句话：期待情感寄信相连。popo原创市集官网

　　A young girl's weary and exhausting day is suddenly shaken by a strange, yet familiar sound. Her curiosity propels her deeper and deeper, and she quickly finds her pursuit has taken her much further than she'd realized. However, her curiosity may lead her where she's not prepared to go.