After Keita Suminoe's mother passed away, his father promptly remarried, introducing two step-sisters into Keita's life: twins Ako and Riko. But since their fateful first encounter, a surge of incestuous love for their younger brother overcame the girls, beginning a lifelong feud for his heart. Now at the end of his middle school career, Keita studies fervently to be able to attend Ako and Riko's high school. While doing so however, he must resolve his conflicting feelings for his siblings and either reject or succumb to his sisters' intimate advances. Fortunately—or perhaps unfortunately for Keita—his sisters aren't the only women lusting after him, and there's no telling when the allure of temptation will get the better of the boy as well. [Written by MAL Rewrite]

Most people, including the girl herself, would say that first year high school student Yamada is beautiful and perfect. Despite this, she is working towards a peculiar goal: to have sex with one hundred men by the end of high school. Trying to put some sense into her head, Yamada's best friend, Miharu Takeshita, points out a major flaw in that plan—she is completely inexperienced with men. However, the reason behind this is that Yamada thinks her lady parts look strange and believes others will judge her for it. As a result, Yamada decides that her first time must be with a fellow virgin, since they will not hurt or scare her. After a fateful encounter, she sets her sights on the shy and average Takashi Kosuda, an aspiring photographer with a heart of gold. With contending rivals for his affection and her own raging hormones, Yamada must find ways to seduce Kosuda and take his cherry. However, as she gets closer to Kosuda, she finds herself increasingly enjoying their time spent together. [Written by MAL Rewrite]

On the outskirts of the country of Helvetia rests the tranquil town of Seize. Upon its cobbled streets, citizens go about their daily lives, undisturbed by the increasingly tense military relations between Helvetia and the neighboring Roman Empire. It is under these circumstances that the 1121st platoon of the Helvetian army, stationed at the Clocktower Fortress in Seize, receives a new recruit in the young and spirited Kanata Sorami. Having joined the military to fulfill her dream of learning to play the bugle, she excitedly accepts the tutelage of the Sergeant Major, Rio Kazumiya, who happens to be a skilled trumpeter. Working alongside them are the aloof mechanic, Noël Kannagi, the feisty gunner, Kureha Suminoya, and the compassionate Captain Felicia Heideman; together, they experience the beauty of life in Seize and the lasting joy of a community that has persevered in spite of the crumbling world around them. [Written by MAL Rewrite]

In the year Universal Century 0096, three years after Char Aznable's failed attempt to force human migration into space, life continues in the colonies orbiting Earth. One such colony, at Side 4, is home to Banagher Links, a 16-year-old who lives a quiet life among his classmates. Audrey Burne, the last descendant of a great tyrannical family, takes it upon herself to steal the key to a mysterious device known as "Laplace's Box." It is said that the Box has the power to shape the course of the universe, and Audrey travels to Side 4 in an attempt to take it from its current holder and keep it from the Sleeves, the surviving remnant of Char Aznable's Neo-Zeon. In her search, she stumbles across Banagher and changes his life forever. When Side 4 comes under the attack of the Sleeves and its prolific fighters Marida Cruz and Full Frontal, Banagher takes control of the newly built Gundam Unicorn to defend his friends and protect the fate of humankind. [Written by MAL Rewrite]