It all seemed like another regular day for the photojournalist Wakatsuki Tetsuya when something big happened. ALIEN INVASION! This brings his journalist's blood to a boil and he goes to check it out. It is there he meets, standing in a pool of blood and corpses, the alien girl Kahm, who looks exactly like a human if you take away the pair of horns growing from the sides of her head. There they fight and Tetsuya wins and takes her sword. Kahm retreats but soon comes back to retreave the sword and save Tetsuya from Japan's unavoidable fate....being wiped off the face of the earth! On her spaceship, Tetsuya learns that Kahm is not only a princess but also the heir to the thrown of the Santovanku Empire! Well, one comidic fight leads to another and now Tetsuya and Kahm are on their way to Kahm's father to declare their marriage?!?!?

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Ralph, the Tyrannosaurus, is the king of the dinosaurs. However, because of a meteorite's impact, Ralph is sent 60 million years into the future only to possess the body of a honours student, Mikobayashi Kana.

In the blink of an eye, high school student Taku Shimamura finds himself transported to the bizarre world of Slaffleaze, where intelligent creatures govern and the ruling class, led by the villainous Zolba, is plotting the invasion of the world they know as Capricorn, the Earth. Joining together with the oppressed Slaffleaze peasants, Taku must find a way to stop Zolba`s dark forces before the way to the unsuspecting Earth is opened. In order to do so, he must first gain the love and trust of the last of the Yappie, the ancestral guardians of Slaffeaze. This is a task that will take more than a little courage and daring, for the last Yappie is not just a cute young female, she`s also a dragon.
(Source: ANN)

Many different anthropomorphic predator and prey species are intermingling in a fantastical African savanna society! It is a strictly structured society with many rules, such as those governing when and where a predator is allowed to hunt their prey.

One lion, Leon, does not quite fit into the role nature has chosen for him. He doesn't grow his mane out, and, despite his physical strength, he shows no real interest in establishing territory and acquiring a harem of lionesses. But the most abnormal quirk of all is that Leon is a vegetarian lion!

His tiger companion (who has a bit of a crush on him), is firmly of the opinion that herbivores exist to be eaten, but she manages to mostly put up with his vegetarianism. One day, the two of them rescue a frightened gazelle, freshly arrived from the capital. The tiger is less than thrilled to have a pretty female food-animal hanging around with them, but the jackals who are tracking the gazelle seem to have some kind of business with Leon as well...