Takao, who has started living alone as he got into university, lost consciousness due to being famished after noticing, he's got no money. As he collapsed, he was saved by Tougo – a university student living next to his apartment, who also belongs to the occult research society. The next day, after coming across Tougo again, Takao was told by him: 'They come out, you know. Here, I mean.' – apparently ghosts appear in this apartment. Then Takao, being frightened by the emergence of strange happenings such as mysterious voices and rapping sounds in his apartment – at that moment, Tougo came and saved him –– A pure love between a kind senpai who likes occult things and looking after others X lonely kouhai who has a natural disposition of attracting haunted things.