Gender Bender DNA Twister Extreme

Uchihama Academy has seen an increase in enrollment in recent years and as a result, a new school building will be constructed. The story takes place during the final school festival in the old school. All the club leaders decide to give it their all to make this the best school festival. Sou is a member of the notorious astronomy club, which basically solves the various issues in the student council's place.

On one day, he stays in the school late at evening because he got slightly injured by the judo club and is healing his wounds in the infirmary. Suddenly, the building shakes. Shocked, he runs up the stairs to where the shaking seems to have centered, and there he encounters a mysterious naked girl, who at first appears to know him. On the next day this girl, Yui, seeks out the astronomy club, expressing her desire to join.

At the Saint Michael Girls' School... festivities erupted among the girls of the annex. The reason for their celebration is the Best Couples poll being held at the main campus. The students at the annex, who look up to the girls from the main campus, decided, "Let's have our own Best Couples!"
...It was always inevitable.
And so, the fairest and most intimate couples were nominated...

The first couple is a pair of childhood friends, Misawa Nagisa and Takahata Rina. The second couple is a pair of twin sisters, Kimishima Ai and her younger sister Aya. And finally... The transfer student who saw this whole thing as no concern of hers, Onohara Hazuki, is shocked to hear that she too, was chosen to be among the Best Couples.

Moreover, her partner is the sheltered young debutante, Suoh Manami. Actually, Hazuki has secretly been crushing on the impeccable Manami... But the truth is, they're far from a couple, and while their classmates may cheer them on, it's all in vain.

But then... Hazuki works up all her courage to ask Manami to become a "Best Couple" with her, and...

Dysfunctional Systems is an episodic visual novel chronicling the life of Winter Harrison. Having long become comfortable with her utopian society, Winter is surprised to learn that there are other worlds in other planes of existence. These worlds are quite different from hers, ranging from troubled, to dystopian, to futuristic or fantastical. However, they are all riddled with problems that, if not resolved, may adversely affect her home world. She is chosen to become a "mediator", charged with the maintenance of order in these chaotic planes, and so enters a vocational school for training. Episode 1 details her second shadowing of a seasoned mediator, only a few weeks into her first year. She and her mentor enter a world seemingly much like their own, except for this issue of "poverty" with which Winter has difficulty understanding...

Nemo ante mortem beatus.
"Nobody can be called happy before their death."
(Herodotus, "Histories")
- The era of "Necromancers" has come.

In the future, the world has been engulfed in the bitter cold of an ice age. And yet, Tokyo is surviving with its use of geothermal heat pipes to keep the city habitable.

The protagonists, Kibanohara Ethica and Nagaoka Souun, are young "Private Special Living Dead Stalkers", contract killers who spend their working days executing necromancers and their undead minions. By practicing a special kind of martial art called "Close Quarter Armed Martial Arts", both of them have achieved great heights in their career.
Out on a mission one day, Souun becomes involved in a fierce battle and meets a mysterious young girl who had been kidnapped for unknown reasons. Remembering nothing but her name, "Hougyou Ilia", she has become the target of a mysterious group of necromancers.

The ice-cold and snow-covered wasteland Tokyo of gunpowder smoke, living dead, crime and cybernetics. But in this frozen hellscape people have survived, protected by the guns and cybernetics enhancements of the Living Dead Stalkers. Now begins the battle of the living dead stalkers and the heroine with their lives at stake.

This story occurs before the events of the war that brought the world to ruin; at this point, Yumemi has been working at the Flowercrest Department Store's rooftop planetarium for about ten years. One day, Yumemi begins to act strangely, culminating in her simply walking out and wandering around the town. The staff of the planetarium are bewildered, and one of the workers—a woman named Satomi Kurahashi—is ordered to go follow Yumemi and bring her back. Before long, Yumemi begins to run out of battery power.