An anthology of Trinity Seven: 7-nin no Mahoutsukai by various mangaka.

Nao Shirafuji and Takahito Kurose are coworkers and fierce rivals, competing for top sales every month. They might fight like cats and dogs at work, but they were actually lovers in high school! The cause of their breakup was a hurtful sentence he said during their first experience. (Source: Libre, translated)

Yuito Kujo, a high school student, constantly compares himself to his exceptional older brother and sees himself as a lesser, "degraded version." Caught in a spiral of self-deprecation, his adolescence turns even darker when he discovers that his childhood crush, Suzuno, is in love with his older brother. But just as Yuito begins to lose hope, Suzuno's older sister, Kano—a college gal—develops intense, overwhelming feelings for him...!?

Using Tezuka's characters, the very best artists were allowed to let loose and adapt his characters into short stories.

An anthology by various mangaka based on the otome game Diabolik Lovers.

A scientist finds a brain in an alley and implants it into the body of his beloved, Nina. It turns out the brain belonged to a boy, Misumi Yutaka, and he is none too happy to find himself in a female body. What happened to Yutaka's body and why was his brain in the middle of an alley? What will happen to "Nina" when the female parts of "her" body start to have an effect on "his" mind? You'll have to read to find out.

Halo is a talented female elf magician who has memories of when she was a man in her previous life, which is why she wishes to make out with a cute girl. Halo decides to buy Filia, a beautiful female slave with big breasts, but things don’t go as she expects them to...

How to create a light novel #1: Character. This is how Kirino begins her project of writing a light novel. She finds Suzuha standing outside and finds her attractive and asks her if she could be her model for her light novel. Kirino claims that she wishes to receive the rookie award, and top the popularity of the Haruhi light novel series. Suzuha declines, but Kirino refuses to give up and constantly stalks her to obtain as much information as possible about Suzuha. A hilarious comedy of unexpected events and sexual jokes begins here! (Source: MangaHelpers)

Manga about a mage apprentice who must learn to be a hero.

After he was sexually harassed and forcibly seduced by his female high school teacher, he reports her to school that quickly fires her. As he struggles to make sense of his feelings towards the teacher who doesn't seem want to let him go, he attempts to make sense of girls around him and life as well as its complications.

Times continue to grow worse as criminals go after little girls. The police are always too late or keep losing their target. Who will protect the happiness of little girls?! A half-naked, bird mask wearing, NEET, lolicon will. An ally of justice! A phoenix that will protect the little girls from perverts, molesters and degenerates that lurk the neighborhood!

From before the dawn of time people ("Crimsons") have been controlled by a deadly foe ("Clients") who think themselves gods. Now, at the turn of the twentieth century, the Crimsons still live in fear of the Clients. Powerful individuals protect themselves by making sacrificial offerings of live human beings. Dark Hunter, Shion, is half-Crimson, half-Client - in other words a vampire. With his loyal sidekick, Rain, he wages an endless war against the Clients. When Shion meets Helen--a young girl whose family were butchered by the Clients--he makes a blood oath and takes Helen as one of his followers.