A collection of stories done by various artists.

Toaru Kagaku no Railgun: Arts and Sciences City SS is a short story in Arts and Sciences City that takes place in the time period between September 3rd to 10th. Academy City has a exchange program with the rest of the world that allows some students to travel for this week to other places, and some students are allowed into Academy City during this time. Mikoto, Kuroko, Saten and Uiharu went to the Arts and Sciences City, made on a artificial island off the coast of California for a field trip. The Arts and Sciences City is known as a city that has cutting edge technology (in terms of the standards of the 'Outside' of Academy City - ie it is still far behind that of Academy City's), and is trying to take over Hollywood as the entertainment capital of the world. Stuntsmen and shows occur frequently at this city, and anything out of the ordinary is treated as another show. Due to the climate apart from sleeping everyone wears their swimsuits all the time. (Source: Toaru Majutsu no Index Wiki)

Yuzu has always been a tomboy so she is worried that other girls will make fun of her underwear during the class trip. Without a second thought she asks her male friend, Ken, to help her chose better lingerie. However, right after this, Yuzu can't understand why she can't act like usual around him anymore.

Oneshot from Nisioisin and Kawada Yuuya. A boy suddenly wakes up to find out he's in the body of a High School girl. Who is she and how did he switch bodies?

Windmill is another name for Kujima High School and it comes from the windmill that sits at the top of the campus. But Kujima is more known for having the strongest fighters and they pit against each other to be the top dog. Shiiba Gaku is only a freshman but he has his eye set on beating Aramaki Itaru, aka Shake, who is the current boss of the school. But Gaku needs to get stronger if he wants a shot at the number one title. With classmates like the big and strong afro dude Marumo Taiji, it will be do or die for Gaku at the Windmill.

"Today's dinner is omurice!" "Don't need it." A story of the cohabitation between a skilled high school chef and a middle aged novelist. After his father's move abroad, Asaoka Mahiru began living with one of his father's acquaintances. Mahiru then met the indifferent novelist, Kitagawa Yoruko. Despite the close proximity to other males, she walks around without a bra and refuses to eat Mahiru's meals. His attempts at getting her to eat result in...!?

Shousuke always takes the role to comfort his best friend, Tomoki, who tends to fall in love and then gets dumped several times. One day, Shousuke was drinking with Tomoki and was listening to his whining as usual. Tomoki cracked some jokes and confessed to Shousuke telling him “I love you~” since Shousuke has always listened to him, but Shousuke let his true feelings out and asked Tomoki “Which one do you love more, me or your ex?” Tomoki answered he can’t choose and started crying. Shousuke got shaken up and kissed Tomoki without thinking…!? The day when an airhead, cry-baby man who easily falls in love, and a normal guy who has negative connotations about love became more than friends!

"The human race will become extinct in 2017." The Chaldea organization, an organization charged with preserving the future of humanity, observes a singularity. To solve it, Rika Fujimaru and Mash Kyrielight will be transported to the city of Fuyuki in 2004. The battle for the future of humanity has begun. (Source: Anime News Network) *Note: This manga adapts the first, third, fifth, seventh and final singularity from Part 1 of Fate/Grand Order.*

Rewrite is set in the fictional city Kazamatsuri where treeplanting and afforestation have caused the city to become overgrown with trees and flowers in much the same way that other cities are filled by buildings. However, while most of the city appears to be rural, there are many traditional city elements as well. While set in a modern setting, the city also gives off a strange sense of nostalgia. The basis of the story is set in a high school setting.

The alternative version to the Caliber SS in volume 8, where they decided not to save Freya in the dungeon. The SS in the title means 少し失敗 (sukoshi shippai) which translates to Slight Failure.

A murderer who cannot stop the urge to kill people, even though he wants to stop, receives the death sentence he wants. His joy is short-lived, as he is reincarnated in another world. The mission entrusted to him by the goddess is to kill 12 reincarnated people using his murderous impulses. Not all reincarnated people are saints!

At school Mahiro was a super sober girl. But after school she is doing cosplay in a cafe... She has a double life. But is her classmate Hinata-Kun has discovered about her secret...?