Along with with the 13th and final volume of *Kodomo no Jikan*, a collection of short stories and extras that have not yet been published in book form is also being released! In addition to the fantastic “Principal Arc” and “Body Measurement Arc,” which were originally voice stories, short stories and extras from various special offers, and new original stories are also included. This is a valuable collection of works that fans should not miss out on. (Source: Futabasha, translated)

Kogane is a socially clueless, glasses-wearing girl who works at a convenience store. She has a huge crush on her manager, Fuuta, but he doesn't seem to return her feelings at all. Luckily, Kogane has a little sister, Akane, who is much more fashion conscious and adept at social situations. Akane is determined to help her awkward big sister get the boy she wants! (Source: MangaHelpers)

Fujimaki barely scrapes by in school grade-wise. But he thinks all is well, because he just has to quit school and become a top-selling mangaka. It is that easy! One day he catches his hyper-intelligent classmate Yukimori masturbating to eromanga in an abandoned room in school. One thing leads to another and he gets blackmailed into drawing eromanga for her.

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An young man has to kill 100 friends in order to save his sister's life.

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Do you like cats? Do you like isekai? Do you like dying horribly in an earthquake with your whole family? Then you’d fit right in with the Tanaka family! They might not have enjoyed that last part, but they’re certainly enjoying their new life in another world as the esteemed Stewart family. That’s right—the whole family reincarnated together, and they’re just as messy as they were in their first life. Kazushi (65) and Yoriko Tanaka (65) are now the esteemed Leonard (35) and Melsa (35) Stewart. Their three children, Wataru (38), Minato (35), and Heita (33) are now George (15), Emma (12), and William (9) Stewart. Come follow the Tanakas—or Stewarts—as they navigate high society with tea parties, marriage propositions, fashion design, bugs, monsters, and most importantly, giant cats! (Source: J-Novel Club)

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The story begins with the peaceful daily lives of schoolgirls... Which suddenly go to pieces as most of the student body transform into zombies. The girls left behind on the school roof take action.

Shikishima is the office Madonna, a beauty who never takes off her mask. No one has ever seen her face without it, except for me, a fellow smoker. In the world of tobacco lovers, there is a certain romance in a shared secret! (Source: Shonen Gahosha, translated)

"We don't need bad people," the woman says as she approaches. "Boogie Girl" is an urban legend that is said to appear if you do something bad. What is the reason that Boogie Girl appears...? A terrifying horror! (Source: Shonen Gahosha, translated) *Note: Includes one extra chapter.*