One day, high-school boy Yamada bumps into the beautiful girl Shiraishi on the stairs (literally), and their lips touch as they fall. When they regain their wits, they realize that they have swapped bodies. As time progresses, the two realize that this is not the only mysterious happening in the school.

Having stood out from others most of her life due to her exceptional character, Misato Kurihara has lived without neither the joy of having close friends nor the experience of having a regular life. However, after a sudden death, she was transported to a divine realm to be reincarnated—and granted one wish to top it off. Thinking about the ordinary life that she had always wanted, she wished to be born as a normal person, with abilities that are average for the world she will resurrect in.

Reborn as Adele von Ascham—the daughter of a noble—she possesses magic powers completely exceeding what one would label average. Still desiring to carry out the life she wanted, she leaves her home and enrolls at a hunter school in a faraway kingdom using "Mile" as an alias. However, try as she might to hide her overpowering potential, attaining her goal will be difficult—especially when facing against the crazy situations that ensue!

The far future, when humanity is forced to flee Earth after an attack from mechanical lifeforms known as Weiss. These beings can be combated by Actresses: young women adept at using high-dimensional weapons known as Alice Gear. Under the supervision of AEGiS, private companies of Actresses head out into the universe to exterminate Weiss and save the human race from being doomed to wander the universe forever.

Nina never imagined she would be at the center of a royal deception. She’s had a rough start in life as an orphan in the castle town of Fortna. But when Prince Azure notices that her deep blue eyes look the same as the late Princess Alisha’s, he ordains that she takes her place and marry the Prince of Galgada. Despite this uncertain fate, she finds joy in knowing someone finally needs her.

Once a loyal court magician supporting the crown prince from behind the scenes, Alec Ygret is cast aside and exiled for only knowing support magic. But just as he hits rock bottom, he reunites with Yorha Eisentz, a former comrade from the legendary party Lasting Period. Invited to rejoin the team that once made history, Alec returns to dungeon exploration—and begins a new chapter in his life!

On Seiran Island, secret society NLNS is united by Junnosuke Tachibana, who is determined to crush a law. They have found a benefactor, an unknown rich man, who offers them a secret base and cash. Their mission is to locate a mysterious girl and stop the law, keeping the SHO off their trail.

Westlich von Japan, mitten im Meer, gibt es eine kleine herzförmige Insel, die Indigo Island genannt wird. Auf dieser Insel ist es das ganze Jahr über sonnig und warm. Außerdem herrschen an diesem besonderen Ort eigenartige Regeln und Gesetze: Sex steht an der Tagesordnung und wird völlig frei und hemmungslos von jedem ausgelebt, egal zu welcher Tageszeit und mit den unterschiedlichsten Partnern. Die Idee hinter diesen staatlich geförderten Orgien war es, die wenigen Bewohner davon abzuhalten, in die großen Städte auf dem Festland auszuwandern. Inzwischen hat sich die Insel einen gewissen Ruf aufgebaut, der sogar Touristen und die Sexspielzeug-Industrie angelockt hat.