The Private Aichi Symbiosis Academy was originally a high school for high-class girls, when it became co-ed, the girls, out of fear, asked to be permitted to bring weapons to school. When that was enforced, a five-member vigilante corps-like organization called the "Supreme Five Swords" was also formed.
After many generations, the five swords eventually became a group which corrected problematic students and such the academy started proactively accepting such students in order to correct them.
Romance
Fail-translated from the official summary:
Kanaruzawa Sekai, "The God Who Lived A Thousand Years", is a beautiful girl with silver hair and red eyes. She's pompous and does not know much about her surroundings, and despite her childish appearance, she can tolerate alcohol and tobacco, and spends her day in her mansion reading books.
This is a four-panel comedy manga about Kobeni Yonomori, who on her 16th birthday suddenly has a young man with little presence named Hakuya Mitsumine and his little sister Mashiro appear in front of her. It turns out that Hakuya is her fiancé, and Mashiro is her future sister-in-law. The three (and Konbeni's big sister Benio) start living together underneath the same roof, and hilarious happenings occur.
Lu Yi Fan, a dedicated basketball player, has successfully graduated from his delinquent-filled middle school and entered high school believing that he has escaped from the terrors of delinquents. But who would have known that the basketball team in his new school was composed of juvenile delinquents?
Haruma's first impression of the new transfer student, Chitose, would be striped panties. Running into her in the hallway, Chitose's panties greet Haruma before they even know each other. Immediately, Haruma finds himself attracted to this mysterious panty girl, only to find out that she is transfering into his class AND she's going to be the new house keeper at his apartment. Let the skirt flying romance comedy begin.
After Shinozaki Haruka confesses to the Class Rep, Kousaka Akiho, he comes to find that the perfect class representative might be a little bit harder to handle than he previously thought!
The "new sibling romantic comedy" revolves around Masamune Izumi, a light novel author in high school. Masamune's little sister is Sagiri, a shut-in girl who hasn't left her room for an entire year. She even forces her brother to make and bring her meals when she stomps the floor. Masamune wants his sister to leave her room, because the two of them are each other's only family.
When Jun’ichi Hashiba is forced by his friends to ask out one of the school’s gyaru, a girl named Yame Yukane, all in the hopes of losing his virginity, she surprisingly accepts! So how will these two interact when their personalities couldn’t be more opposite and what will Juni’ichi do when Yame appears to take their relationship more seriously than he originally planned?
The valuable treasure, the “Encore” which was left by the legendary Brave Hero Elline, has the recording of the end of the world and the reincarnation of the world. The countries and parties all over the world are searching for the location of its whereabouts; the age to fight for the Encore. The boy called Ren who wants to become a MASTERKnight has no talent in wielding swords despite looking exactly like the Brave Hero Elline, he has been having a lifestyle where people taunts him as the “Fake Brave Hero”.
According to his childhood friend, Tarou Kurume is not interested in love. One day Tarou is struck on his head by a ball rendering him unconscious. When he wakes up, there's a girl floating above him.
What has happened to Tarou? Who is this mysterious girl? Find out in this one of a kind romantic comedy series!