《TheMailbox：连接心灵的信使，传递温暖与思念的每一封信》滝川惠理改名

　　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.