Aharen-san wa Hakarenai

When William Twining breaks into his bankrupt family's vaults seeking funds for his tuition, he discovers that he's supposed to choose the interim ruler of Hell!

The city state of Lisvalletta. Two suns rise above this city, and the people here live peaceful lives, but in the shadows, crime and illegal drugs run rampant. Among them is the dangerous, highly lethal drug "Anthem" which casts a dark shadow over the city. The SEVEN-O Special Crime Investigation Unit specializes in cracking down on Anthem. This unit operates in two-man "buddy" teams in what's called the "Double Decker System" to tackle the problem. Doug Billingham is a seasoned investigator, and joining him is Kirill Vrubel, whose abilities are mysterious and unknown.

Professional wrestler and animal lover Shibata Genzo is suddenly summoned to another world. Greeted by a princess, she requests to get rid of the evil beasts roaming in this world. Outraged that he was asked to kill monsters, Genzo German suplexes the princess. Unable back to get back to Earth, he decides to live a peaceful life and manage a "monster" pet shop.

Four men are assigned to the prison: Jūgo, a man who attempted to break out of prison and ended up extending his jail time; Uno, a man who likes to gamble with women; Rock, a man who likes to get into fights; and Nico, a man who likes anime.

Yuu Haruna, a loner and an avid Twitter user, has just transferred to a new school in Tokyo. He ends up befriending a unique high school girl named Fuuka Akitsuki, despite some initial conflict, and the two wind up forming a band together with their classmates. Their relationship becomes strained however when Koyuki Hinashi, Yuu's childhood friend who has become a popular idol, contacts Yuu on Twitter and attempts to rekindle long lost feelings.

Kazuya Kagami never goes anywhere without the precious "Sakura Obi" his mother gave him. One day a beautiful, kimono-clad girl named Kiriha appeared before him. Kiriha naturally began to live with Kazuya in his room. Then there's Chisato, Kazuya's childhood friend with glasses and a ponytail, who meddles in his affairs. Soon there's also an overprotective older sister who seems to want to take baths with him. Jumble in a huge-chested priestess, a good-looking sorceress named Kokuyoura, beautiful women, and hot girls, and Kazuya's happy, embarrassing, confusing life begins...