It began in 1945, at the end of the Pacific War. Alien invaders filled the earth's Skies, and mankind was forced to confront an unprecedented threat. For the first time in human history, people of all cultures came together under one banner. This war has now been raging for over fifty years. Countless lives have been lost, and the Japanese military is now forced to rely on young people such as Atsushi Hayami and his high school class, also known as Unit 5121. This new generation fearlessly struggles on with the aid of the HWT humanoid combat machines and the devastating PBE bomb. (Source: Media Blasters)

Pikupiku, Shirushiru, and Korokoro are three fairies that live on a floating island. Whether they're chatting about the weird things they encounter in their daily lives, goofing off in the enchanted "Room of Light and Magic," or gazing into their looking pool that shows bizarre worlds, the fairies are always having fun in whatever way they can. [Written by MAL Rewrite]

Yumenosaki Private Academy, a school located on a hill facing the ocean. Specializing in boys' idol training, the school has a long history of producing generations of idols for the entertainment world out of the young men overbrimming with talents, like the shining stars in the sky. Due to "special circumstances," you are a transfer student at the school, as well as the only female student there. In fact, you are chosen to be the very first student of the "producer course," and your task is to produce these idols… We hope you will enjoy your journey with the idols you meet at the academy, as well as the vigorous ensemble that together you will make. (Source: Ensemble Stars! Wikia)

When Mizuki Hijiri transferred to a new school, all she wanted was to live a normal school life, but that did not prove to be the case when she met the infamous Hero Club. All of its members are boys suffering from various types of chuunibyou—Yamato Noda is a righteous hero, using his athletic abilities to perform noble deeds and protect others; Kazuhiro Nakamura claims to be the reincarnation of "Touga Ryushouin," the result of the forbidden union between a demon and an angel; Tomoki Takashima is a pretty-boy otaku whose one true love is the 2D anime girl Sora; and Rei Tsukumo plays the role of a schemer, covertly pulling the strings. Dragged along as the newest member of the Hero Club, tepid Hijiri can't obtain the normalcy that she desires. But even so, despite their various quirks, their bonds of friendship are real; Hijiri's life can only get more exciting when she joins in on their delusions of grandeur!