When the mantis-like aliens known as Kiseichuu descend on Earth, they have one goal: eradicate the human race. They do so by absorbing humans' H-energy–the sexual passion that fuels so many people and keeps the...

Harenchi Gakuen is an elementary school whose teachers and students are all perverts. Boys peep girls changing. Girls pull up their skirts and show off their panties Considered to be the first ecchi manga...

Gotta flirt to save the world!! High schooler Takuma Akutsu is terrified of human contact and just wants to live a quite life. Too bad he doesn't have a choice in the matter when nine Valkyrie sisters come...

Welcome to the Sparta Acadamy, run by a head master called Satan's Toenail. If you get anything below a 90 on every test, they punish you with torturous devices and the like. But fear not, there is one who...

In a world where humans co-exist with Juujin (literally: "beastmen"), genetically mutated animals that have remarkably human-like features with the exceptions of extremities such as tails and ears, Juujin are...

Humanity is nothing but a slave for the devil race. A normal high school student, Morioka Yuuto was chosen to be a candidate for the next devil king. He transferred to the academy for the devils, GinseiSilver...

Humanity is nothing but a slave for the devil race. A normal high school student, Morioka Yuuto was chosen to be a candidate for the next devil king. He transferred to the academy for the devils, GinseiSilver...

From MangaHelpers: Hida Kizuna possesses the HHG (Heart Hybrid Gear) ability, but it is not strong enough to make him particularly important. His older sister calls him to transfer to a strategic defense...