Nirvana

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)

The girls of the Amusement Club return in Yuru Yuri♪♪, finding new ways to make passing time even more enjoyable. Their members consist of the always energetic Kyouko Toshinou; calm and sensible Yui Funami; polite but often overlooked Akari Akaza; and Chinatsu Yoshikawa, who stumbled upon the others while looking for the Tea Ceremony Club. Together they are the Amusement Club, which has the deceptively simple task of keeping its members entertained. Along with the Student Council and the odd family member, they strive to enjoy their youth to the fullest. Whether it's a trip to a hot spring or finishing overdue homework, their lives are never dull, and they will always find an excuse to spend time together. [Written by MAL Rewrite]

Misuzu Moritani is an introvert who has always had difficulty interacting with her classmates, quickly becoming flustered whenever someone tries to talk to her. Sometimes, she will use her ability to stop time for three minutes to escape troublesome social situations. One day, as Misuzu watches the suspended environment around her, she observes that her classmate, Haruka Murakami, is somehow able to move despite her temporal influence. From that moment on, Misuzu experiences new wonders as she explores more of the world she has long avoided; no matter where time may take her, Misuzu can count on Haruka to always be at her side. [Written by MAL Rewrite]