Kyou Kara Ma no Tsuku Jiyuugyou is the novel the anime and manga are based on. It's about a boy named Yuuri, who gets himself flushed down a toilet into another world. There, he finds out he's the Maoh (demon king) and that the Mazoku (demons) expect him to lead them against the human race. The novel is told from Yuuri's PoV, with plenty of side-commentary that is left out of the show.
Light novel spin-off of popular series *Gintama*. Mainly about school-life played by the main series characters, the storyline revolves around class 3-Z's students and their wacky homeroom teacher Ginpachi-sensei at Gintama High School.
By this chapter, the reader should have an overall idea of how life in Hinamizawa is like. Once again, this chapter begins innocently, with the Watanagashi Festival again marking the start of the sinister events in Hinamizawa. An ancient curse strikes, and a pair of sisters are not what they seem. Shion Sonozaki makes her first appearance in this chapter, while Mion Sonozaki is portrayed as the villain.
A series of short stories themed around humorous non-canonical situations starring the cast of New Danganronpa V3. (Source: Danganronpa Wiki)
Through piano lessons a love slowly grows between the cool adult, Goshima-sensei, and one of his students, a high school girl named Kae. The most popular stylish love romance. (Source: Perpetual Dreams)
Tsumiboroshi-hen is the answer arc corresponding to Onikakushi-hen. Unlike Meakashi-hen, Tsumihoroboshi-hen's story is drastically different from the plot of its question arc. In Tsumihoroboshi-hen, Rena experiences a situation similar to Keiichi's in Onikakushi-hen, as she makes a terrible mistake and becomes distrustful of her former friends. It is the first chapter with a (seemingly) happy ending, although the Tips reveal a sinister twist.
Lina and Gourry are separated and Lina wakes up in a strange land that is outside of the mazoku barrier. There, she meets a boy named Lyos who is the Knight of Aqualord. Eventually Lina was reunited with Gourry, and Ameria appeared. They must search the God's power but the appeared Riskfalto, the Deep Sea Dolphin's general and all they will be involucred in a battle between gods and demons.
Meakashi-hen is the answer arc corresponding to Watanagashi-hen. Meakashi-hen consists of events very similar to those of Watanagashi-hen told from the perspective of Shion Sonozaki, with only a few minor variations. In this chapter, the audience sees the true reason for the criminal's murderous actions in Watanagashi-hen—a lost love. Satoshi Houjou is first physically met in this arc, unlike the others where he is only mentioned. The first hints of that which ties together the arcs are given.
Our protagonist, Aine, met Hiroshi by chance when she was very little, and she remembers even now how much fun she had listening to his piano performance. She has always dreamt of meeting him again, but when she does, he is called "The Piano Prince" and seems very hard to approach. And then, before her appears the spirit of Chopin himself! He will make the wheel of fate turn for the two main characters!
Tsuki no Sango takes place in approximately the year 3000, when humankind arrived at the peak of its civilization, but is losing its will to keep living. The story follows a girl, called "princess" by those around her, living on a small island with a fifty-person colony and a shining coral reef. She is a descendant of the Moon people, and it focuses on how her ancestor supposedly came to Earth.
The Linebarrels of Iron story takes place in a fictional alternate future, centering on a junior-high school student named Kouichi Hayase, who escaped his daily life of being bullied as a child by daydreaming about being a hero. His life was forever changed during a class trip in the year 2016 when an artificial satellite fell from orbit. Due to this "accident", Kouichi was left in a coma for half a year, and upon awakening, found himself with strange powers, including superhuman strength. (Source: Wikipedia)
An anthology comic of Non Non Biyori by various mangaka.

