The story happens when females get a text message of baby's cries, they will become pregnant for no reason. Yet, none of them can survive over the first three months into their pregnancy, and strangely, their baby from the womb will also disappear...

Welcome to the darkness of Tokyo! A little crook named Yoshiki is about to be killed for an assault on Yakuza's wife. He owes his salvation only to the intervention of a mysterious woman as beautiful as dangerous. At the same time, the police discover a body with a frozen face, a gaping wound in the neck and drained of all blood. The inspectors carry out the investigation and link this crime to an old case... before being attacked by demonic beings! (Source: Manga-News)

A spin-off of Shima Kousaku, where the main character is a knight in another world.

Asagiri Kanami is a transfer student with a cursed right hand and the secret ability to see supernatural incidents. After being referred to a supernatural clinic of sorts, the truth behind her curse begins to be revealed. *Note: This is an upgraded, serialized version of Kojima's one-shot "Kurokumo Yuuji no Junan," which was published in the 10/2022 issue of Princess.*

Kazuya is a teenager who is worried about himself acting differently in his daily life then what his heart actually believes. One day he encounters Mio, a serious suicidal girl who slits her own wrist. He is then attracted to her uncontrollably and the two became lovers soon after Kazuya's confession. After spending some time with each other, Mio's personalty is changed bit by bit, right before she was murdered...

There are places in Japan you should never go to. Mei and Hibiki are sisters who grew up near Mount Fuji's "Sea of ​​Trees." While helping their childhood friend, Teru, move, they discover a strange box, which triggers a series of mysterious phenomena around the sisters...!? (Source: Kadokawa, translated)

A spin-off series set 6 years before the events of Zenaku no Kuzu focused on Yumeji Sonoda's college days.