There are stories that only chosen people know. There are monsters who can kill and eat all and there are only few men who can defeat them. The chosen fighters,saviour of Humanity. But everyone gets tired of something.. A couple of so called 'Demon Slayers' decided to escape from their nightmares and left Japan to live in Italy but something unexpected greeted them. A demon that no demon slayer have seen. And she's the one who has Written their story under the Moonlight...

Aqours had moved over to Tokyo. They find themselves living at one of the apartment complex's where the death of Nozomi Toujou took place. Two roommates, Kanan and Mari, actually take the privilege of actually living in that apartment. As the two fully move in Kanan seems to notice some bizarre things going on throughout the house. Soon after she realizes that a spirit lingers in the apartment she tells her roommate Mari, but sadly she has not seen anything throughout the apartment. Spirits can be visible to those that they are attached too..

Mari Ohara is a girl well known around in Uchiura by her rich family name, who is to be married into another rich family. However Mari doesn't mind this, until she meets Kanan Matsuura, a trouble making thief who loves the sea. However will Mari be able to escape from her arranged marriage to be with Kanan? And what is Kanan willing to sacrifice to be with Mari?