剧情：
层间声音全集在线播放，包含大结局与播放线路，在线播放完整版。[展开]
A noise is coming from the floor upstairs. Eunsu, hears this for over a month which causes uncontrollable anger to rise up. She gets eliminated again from a competition she had prepared for a long time. Eunsu decides to write her last piece with the theme of the noise between the floors and persuades her friend to help her follow and track the secret. [收起]
