These shorts, included in the Blu-ray and DVD releases, take place in a timeline with multiple Umaru-chans.

Takashi Natsume has grown accustomed to his encounters with youkai through the Book of Friends, which contains the names of youkai whom his grandmother, Reiko Natsume, has sealed in contracts. These encounters allow Natsume to better understand the youkai, Reiko, and himself. 

The Book of Friends is a powerful tool that can be used to control youkai; it is sought after by both youkai and exorcists alike. Natsume just wants to live out his daily life in peace but is constantly disrupted by these experiences. If he is to end this torment, Natsume must explore more about the book and the world of exorcism, as well as begin to open his heart to those who can help him.

[Written by MAL Rewrite]

Misuzu Moritani is an introvert who has always had difficulty interacting with her classmates, quickly becoming flustered whenever someone tries to talk to her. Sometimes, she will use her ability to stop time for three minutes to escape troublesome social situations. One day, as Misuzu watches the suspended environment around her, she observes that her classmate, Haruka Murakami, is somehow able to move despite her temporal influence. From that moment on, Misuzu experiences new wonders as she explores more of the world she has long avoided; no matter where time may take her, Misuzu can count on Haruka to always be at her side. [Written by MAL Rewrite]

Six years ago at the magic school known as the Tower of Fang, a grave accident happened involving the magical sword Baltanders and the magic user Azali. Unable to control the sword's power, Azali was transformed into the shape of a great dragon who since that day became known as Bloody August. Krilancelo, a young magician at the Tower who cared greatly for Azali found much to his disgust that the elders of the Tower of Fang were less than willing to save Azali and wanted rather to pretend the accident never happened. Angered by their stand, Krilanceloa swore that he would find a way to return Azali to her former self. Thus he forsook the name Krilancelo and declared himself Orphen, leaving the Tower and his magical studies behind to wander the world... (Source: ANN)