The story centers around the younger sister Nagami Suzuka and the older brother Nagami. Suzuka is a beautiful third-year middle school student who has excellent grades and is the student council president. She wrote a novel about a little sister who dotes on her older brother, and the the novel wins a light novel award. After they discuss the matter, Yuu is the one who debuts as a proxy light novel author instead of Suzuka, under the pen name Chikai Towano.

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 the academy started proactively accepting such students in order to correct them. Nomura Fudou was sent to this school after being part of a huge brawl. What will he do when the only options he has after enrolling are being expelled from that school or being corrected the way the rest of the male students there were...by being forced to dress and act like a girl!

As soon as he entered high school, the first year student Koshiyama Shiki was invited to the mysterious Quiz Study Group led by his senpai. What will Shiki run into when being dragged along by his class mate Mari into the dazzling world of competitive quizzes?!

As the world is in the middle of an industrial revolution, a monster appears that cannot be defeated unless its heart, which is protected by a layer of iron, is pierced. By infecting humans with its bite, the monster can create aggressive and undead creatures known as Kabane. On the island Hinomoto, located in the far east, people have built stations to shelter themselves from these creatures. People access the station, as well as transport wares between them, with the help of a locomotive running on steam, called Hayajiro. Ikoma, a boy who lives in the Aragane station and helps to build Hayajiro, creates his own weapon called Tsuranukizutsu in order to defeat the creatures. One day, as he waits for an opportunity to use his weapon, he meets a girl named Mumei, who is excused from the mandatory Kabane inspection. During the night, Ikuma meets Mumei again as he sees Hayajiro going out of control. The staff on the locomotive has turned into the creatures. The station, now under attack by Kabane, is the opportunity Ikoma has been looking for.

Meet Harada Takumi - not even in junior high and he's the best pitcher in the region, although he's frustrated and ready to give up, because he can't find a catcher who is good enough to keep up with how he pitches in this backwater town his family has just moved to. Then along comes a kid named Nagakura Gou...

Ushio thinks that his father's talk of an ancient ancestor impaling a demon on a temple altar stone with the legendary Beast Spear is nuts, but when he finds the monster in his own basement, Ushio has to take another look at the family legend! To save his friends and family from the invading spirits, Ushio is forced to release Tora from his captivity. But will the creature prove to be worse than the curse?

The story takes place in the distant future and focuses on Yuma Tsukumo, a youngster who aspire to become the duelist champion, despite his skills are still on amateur level. Something unexpected happens when he challenges Ryoga Kamishiro to a duel to recover a friend's deck that was stolen from him. During the duel, Yuma is being defeated by Ryoga when the mysterious ghost of Astral appears before him, and aids him to make a comeback victory. Astral explains to Yuma that his mission is to search for his lost memories, that were scattered across the world taking the form of 99 Exceed monsters called "Numbers", and to retrieve them, he must defeat the owners of each Number monster in a duel. Yuma agrees to help him, and thus their journey together begins.

Containing the elements of a classic tragedy, this anime title is similar in some ways to Romeo & Juliet. Before a cease-fire was established, two clans of ninja had been fighting for centuries. Now the cease-fire has been abolished and the clans are once more at war.