Both short stories both take place in a world where people known as Killer Demons have each mastered a specific form of killing. Each story follows a different character’s encounter with one of those Killer Demons. Killer Queen and Deep End was originally submitted for but did not win a Dengeki contest before Toaru Majutsu no Index was published. It was later published in 2004 in response to Index’s popularity. Killer Device and Never End was written and published in 2005 due to the popularity of the first story.

A manga about two spirits haunting a man and a woman who have zero supernatural perception.

"I'm just a daughter of the "mafia" and I'm the fiancée of the next duke? ......!" Belle, the only daughter of a poor noble family, arrives at a ball organized by the Duke of Rouvent. She was only there for the delicious meal, but as soon as she arrives at the manor house, she is told that she is to be betrothed to the next duke, Mr. Allen. Belle accepts this sudden offer, but she doesn't know it yet. The real reason she's been chosen as Allen's fiancée... (Source: pixiv, translated)

The fictional girl's high school called “Android Gakuen” is located somewhere in Japan, the capital of cell phone sexy. There are 15 beautiful students each with their own unique character and are the manga personification of the slick Android devices they represent. In the story the Android girls work hard together and have a pleasant school life. And just like the real world, they interact with their fellow cool students like iPhone, BlackBerry and Windows Phone that attend rival high schools. (Source: AnimeNewsNetwork)

Set seventeen years after the original manga series, a new generation of AMP serve on the front line between Lucifer Hawk and humanity.

[From Lililicious]: *Nowhere to Go* is another girls' boarding school story, but the deviousness of one of the main characters is what makes it memorable. It has a sequel called *In the Afternoon...*.

Hazuki Kagimura is a normal girl who is usually alone. Her relationship with her new family is not going so well, so she retreats every day to the world of stories and books. One day, after school, one of the library's bookshelves sends her to another world with a magic school, where she meets Shizuka Tsuchimikado. She finds out that girls (called "mädchen") who attend the school are selected by old fairy tales and folk stories to wield their magic, and are taught how to wield it in the school. The school has girls who are chosen by such stories as Kaguya-hime no Monogatari, Issun-bōshi, Der Freischütz, Shuten-dōji, The Little Matchstick Girl, The Gigantic Turnip, Arthurian legends, and The Ramayana. Hazuki herself is chosen by the Cinderella story. She begins her new life at the school to become a magic user, and be friends with Shizuka. (Source: Anime News Network)

Due to a mistake made by the goddess, my pet cat Misha who reincarnated with me was the one who became the strongest character. Furthermore, she can even speak, and is even knowledgeable of the other world. The cheat-like Misha used transformation magic and turned into a beastkin (Nekomimi). Together with the Nekomimi young girl (sometime she is in black cat form), this is the story of our slow and leisurely life in the other world. *Note: Includes 2 extra chapters.*