A Hello Project horror movie involving all the members secretly trying to convince gaki-san that eripon is evil, but she doesn’t believe them since everytime she’s around eripon is a sweetheart. It becomes eripon’s evil plot to kill each and every member till it’s just her and gaki-san. it all begins with poisoning riho’s cider, but  how long will it be until gaki-san shouts “USO!” and eripon’s evil plans are overreactively discovered?