Kiyosumi is a live in manger of an apartment building. He spends most of his time composing & playing music in his apartment. He doesn’t relate well with people and his life is simple. One day, Ushio who lives upstairs from him, greets him. She tells him that she broke up with her boyfriend and she listens to his music every day. Ushio then posts online a video of Kiyoshumi playing his music. Since then, Kiyosumi faces a big change in his life.

Editor Ejiri and occult writer Onigashira work on the horror DVD series Truly Terrifying Submitted Videos. They receive various cursed footage, including DVDs found in a bankrupt film company’s warehouse, livestreams of self-proclaimed vigilantes exploring abandoned buildings, and a strange variety show featuring comedians and gravure idols. Using his expertise and sharp intuition, Ejiri unravels the hidden secrets behind these videos.