The fate of mankind is doomed in the early 21st century due to losing "purana," an essence of living force supporting all life forms. Not willing to witness the extinction of mankind, a vampire named Duo disclosed the secret of purana to humans, saving the latter from destruction. However, just like Prometheus in Greek mythology got punished for bringing fire to mankind, Duo is punished for breaking the taboo. The vampire sent to punish him is Zieg, Duo's best friend, or, more than the best friend. (Source: ANN)

All hope seems lost when the world is suddenly invaded by aliens. Earth's only defense is a small three-person team known as the Special Counter-Aliens Task Force, consisting of an anonymous director, the tyrannical Shiro, and the easygoing Arikawa. The luck of the Task Force improves when Arikawa finds a teenage boy lying alone on a hill. The boy, Kakashi, is humanity's only hope—he has power previously unbeknownst capable of defeating the aliens! However, without any memories and with no knowledge on how to use his power, Kakashi is left clinging to Arikawa and Shiro as well as the only remnant of his previous life: his broken cellphone. Kakashi is conflicted by the fears and emotions clouding his mind and he calls his own motivations into question. Can he overcome his doubts and internal struggles and save the world? [Written by MAL Rewrite]

The members of the Amusement Club are back with more of Kyouko Toshinou's antics, Chinatsu Yoshikawa's schemes, Yui Funami's retorts, and Akari Akaza's small social presence as they strive to make each day as fun as the last! Whether the activity is an arm wrestling contest or making pancakes together, the group of entertainment-seekers are sure to give it their all. The club members are often joined by their friends in the Student Council, who know how to have a good time as well. While it can get a little chaotic when all eight girls get together, it sure doesn't stop them from meeting up and having fun! [Written by MAL Rewrite]