Series: Mysterious Disappearances

Nocturne in Black and White After the mystery of the Queen of Cats is resolved and tearful good-byes exchanged, it's time to cheer up! Former novelist and current hot-to-trot slacker Ogawa Sumireko gets dressed up in a yukata and takes her otherworldly allies Adashino Ren and Oto to see a fireworks display. But mysteries are always brewing on summer nights,...

ALL HAIL THE KING OF CATS! ALL HAIL THE KING OF CATS! A few days after the Hime-uo Vtuber incident, the King of Cats finally makes his appearance! Faced with the entity behind all the supernatural occurrences in the region, the Adashino siblings find themselves in an unprecedented crisis. It is up to Shizuku to come to the rescue! She...

A novelist teams up with a demonic colleague to solve supernatural urban mysteries—and don't miss the anime! Mysterious Disappearances Vol. 1 follows burnt-out novelist Ogawa Sumireko and demon boy Adashino Ren as they tackle supernatural urban legends. Mysteries aren't just secrets; they're objects! Experience the intrigue of the Elixir of the Moon, which restores one's youth, and the Songs of...

IT'S ALIVE! IT'S ALIIIIVE! A Tsukumogami is an inanimate object that gains life after one hundred years of service to its master—but the accelerationist digital age means that modern devices are gaining souls right now! What can a burnt-out novelist and some devilish siblings do about it? Especially when they also must face some classic mysteries, including the Princess of...