Pure Marionation is the story of Anon, a "marionette" or android cute girl. Ostensibly, she is enrolled in Waffle High (no, seriously, that's the name) to test out her AI, codenamed ALIS. Immediately, Anon's secret is discovered by classmate Miamo, who is sworn to secrecy and determines to protect Anon from...I'm not sure what. (Source: Ozaku)

The characters of Durarara!! have been made small and are going on a rampage in Ikebukuro! Lots of things are happening today on these streets where reality and illusion mix together!

The Japanese government passes the Media Improvement Act as law in the year 1989 which allows the censorship of any media deemed to be potentially harmful to Japanese society by deploying MIA agents with the mandate to go after individuals and organizations that are trying to exercise the act of conducting freedom of expression activities in the media. However, local governments opposed to the Media Improvement Act establishes armed anti-MIA defense force units to protect libraries from being raided by MIA agents under the Library Freedom Act. The conflict between MIA agents and library soldiers have went on to the year 2019.

The story takes place in the era of the gods, year 300. Yuuna Yuuki lives an ordinary life as a second year middle school student, but she's also a member of the "Hero Club," where club activities involve dealing with a mysterious being called "Vertex." Includes the special 4koma, Washio Sumi is a Hero: Another Story. (Source: Anime News Network)

Summoning ceremonies can freely call forth even "those which lurk in the depths beyond the gods". One boy has top-level abilities even among the cutting-edge summoners who can use those ceremonies. He is Alice (with) Rabbit aka Shiroyama Kyousuke. But this strongest boy summoner has a single fatal weakness. Certain "cursed words" spoken by girls: "Help me." When Kyousuke hears those words from Meinokawa Higan, a girl brought to the verge of death, he throws himself into a city where three great summoner forces clash! (Source: Baka-Tsuki)

Official 4koma Anthology published in Dengeki Comics EX.

Miyoshi Yoshimune (Yoshi-Yoshi) just moved to Ikebukuro because of his parents' work. While exploring his new town with his classmates, Mikado, Anri, and Kida, he hears rumors about "The Headless Rider" and "Color Gangs." While chasing after these rumors, he gets dragged into a conspiracy involving the whole of Ikebukuro... Adapted from the PSP game of the same name focusing on a new original character.

As a lonely girl who draws for fun, Honoka was just a regular student until the day her uncle, Ryuichi, hired her to work as a character designer at his newly created game company. Now thrust into a complex, corporate world, newcomer Honoka begins to learn the ins and outs of the video game industry: the politics involved, each person’s responsibilities, and how a game is put together. It’s a lot to take in, but one thing’s for sure—she’s going to step up her game if she wants to succeed, as putting together a video game is no easy task! A realistic story about what it’s like to work for a video game company. Learn about the gaming industry through Honoka’s eyes. (Source: Broccoli Books)

Yazaki Yuuri, a transfer student, wants to be a popular high school kid. Also, despite how nerdy he knows it is, he's secretly working on writing a light novel. When strange things start happening around campus, an eccentric female student, Sakurabi Yukimi, explains to him that he has the power to unintentionally cause the creatures of his imagination to take physical form! Is it even possible for him to maintain his cool image while he's fighting the imaginary monsters from his formerly secret magic-girl light novel?

A floating space without gravity where an infinite number of lights shine in different colors: The "Box of Wisdom." Inside of this box, there are multiple worlds, multiple timelines, and there used to be many different people. This is where Dual and Dorothy were fighting with enemies called "Viruses." Worlds infected by viruses must be erased. That is the duty, the job of these girls. However, one day, Dual and Dorothy feel the presence of a new Virus. Arriving at the scene, they see a girl being attacked by Viruses. After saving the girl, the duo wait for her to awaken so they can ask who she is, where she came from, and where she is going. Finally, when the girl opened her eyes, she gave her name, Rimo, and whispered only one sentence... "I must return to the flower patch..." (Source: Anime News Network)

Just Be Friends is based on the Vocaloid song of the same name. Source: My Anime List

Tsuwabaki, a normal school boy, accidentally switches his drink with that of a man with dog ears. It turns him into a small sheep at night, and his only hope for a normal life again is from a chosen girl who will find and catch the 7 Stardrops. The catch is that he can not tell her who he really is.