Ryoka is awakened by flurry of text messages from her mother! Panicked and rushed, Mom is clearly concerned for Ryoka's safety, but she is not too keen on letting her daughter know why. Her reasoning being that nothing could really properly describe what is happening! The world might be ending! And there might be a massive new life-form on the roof of their apartment building! (Source: Denpa)

Koyomi Araragi spent his last year of high school helping girls in his town resolve various supernatural afflictions. But now Araragi has departed for university, leaving his friends to fend for themselves against new problems and curses that plague them. Yotsugi Ononoki, once a human corpse and now a living doll, takes residence in Araragi's home, keeping watch over his sister Tsukihi, a girl harboring a mystical secret of her own. As part of her duties, Yotsugi fills Araragi's vacated role as occult expert, assisting others in town with their issues. One of these girls, middle school student Nadeko Sengoku, slowly recovers from her own recent brushes with the paranormal. She avoids returning to school, instead spending time alone in her room and pursuing her dream of becoming a professional manga artist. In order to speed up Nadeko's quest for mastery of her craft, Yotsugi convinces her to create four copies of herself, each representing a distinct aspect of Nadeko's personality. However, the clones refuse to help Nadeko, instead escaping into the town and creating a chaotic mess. Now forced to grapple with her own fractured sense of identity, Nadeko sets out to capture them and resolve her inner conflict.

Dali Delico is an aristocrat from the prestigious Delico family and an elite member of the Blood Pact Council who has a promising future. He is ordered to carry out a certain mission by the Blood Pact Council, the highest governing body of vampires, but Dali flatly refuses. When Gerhard, Dino, and Henrique, who are frustrated fellow members of the Diet, go to try to persuade Dali, they find Dali cradling a young child himself. Meanwhile, a mysterious series of murders targeting vampires occur in the streets. There seems to be some sort of past connection between Dali and the anti-social organization Pendulum, which is believed to be the mastermind. ''With all our blood and pride, let's show that we can achieve both duty and child-rearing!" A tale of noblesse oblige childcare struggles by vampire aristocrats. Will it be possible to balance the splendid Gothic world with the careless child-rearing that takes pride in?

The protagonist of the story, Konoha Inoue, is a seemingly normal senior high 2nd year student. His high school life, other than a hinted incident 2 years ago, can be summed up as normal- if one can dismiss the secret fact that he used to be a female bestselling romance author. Due to that incident, however, he has now vowed never to write again. This continued on until he was forced to join the literary club by the literary club president, the 3rd year female student Amano Tooko, a beautiful girl who has a taste for eating literary works. Now he has been tasked with writing her snack every day after school.