From MangaHelpers: Professor Doug Wright teaches at Bennett University, teaching subjects such as bio-terrorism and chemical warfare. One day, he receives a letter from Asia's largest private high school...

All of his classmates, including his best friend and his crush, have been reduced to nothing more than brains. An alien who calls herself A-sensei informs the protagonist, Satoki Tsutsuno, that to protect the...

Momo Ayase strikes up an unusual friendship with her school’s UFO fanatic, whom she nicknames “Okarun” because he has a name that is not to be said aloud. While Momo believes in spirits, she thinks aliens are...

There is a Gothic-style mansion in a distant, rarely-visited part of Japan. There, the world's greatest surgeon, Naomitsu Madaraki, once lived but he hasn't come home in ages. Instead, the professor's...

Cute little alien Takopi lands on Earth. What is his mission? To be taken to our leader? No. To spread happiness throughout the universe! The first person Takopi meets is a depressed fourth grader Shizuka. (Or...

Alien invasions come in all shapes and sizes. This time, Earth is under attack by "Unknown Codes" that infiltrate digital devices to eviscerate the human race. The only way to counter these codes is to play...