After many trials and tribulations, Iruma Suzuki is finally happily living among demons despite having to hide his true identity as a human. Even more so, he has now found his ambition in life: keep ranking up in this world! However, that plan is halted when Iruma's club is temporarily dismissed, and he is forced to be part of the student council, known for its strictness toward rowdy students. Its cold-hearted president is Amelie Azazel, Iruma's friend. Although Iruma is not used to following their rigid schedule and many rules, he still wants to prove himself and help Amelie alongside all of the other members of the council. But trouble arises when Amelie's personality completely changes due to strange circumstances, putting the student council's reputation in jeopardy. Will Iruma be able to save them and avoid having the whole school turn into pure chaos?

After an unfortunate accident, completely normal heterosexual high school student Kouta Shibaki is branded as the school pervert. With girls avoiding Kouta like the plague, truly the young man's worst nightmare has come to fruition! One day in the school library, he stumbles upon a peculiar book said to possess the power to summon witches. Partly out of desperation, partly out of boredom, Kouta decides to play along with the joke of a book, until an apprentice witch going by the name of Rurumo Maji Mojiruka appears before him. In an unusual turn of events, Kouta ends up helping Rurumo with some general witchery tasks in exchange for his soul being spared. Majimoji Rurumo follows the misadventures of Rurumo as she attempts to persuade Kouta to use 666 magical wish-granting tickets in her efforts to become a fully-fledged witch, unaware that every time she grants a wish, Kouta's life is shortened. Aided by Rurumo's familiar Chiro, Kouta must decide between helping Rurumo or saving his own life.

Seventeen-year-old William Twining takes pride in his lineage as well as his devotion to modern science. When he learns that his family has gone bankrupt, the pompous noble is faced with the reality that he can no longer afford his tuition or the lifestyle he is accustomed to. In a desperate search for valuables in his manor, William discovers a hidden room and accidentally summons the arrogant demon Dantalion, the Grand Duke of Hell. Apparently, Lucifer—the ruler of Hell—has fallen into a deep slumber. In his absence, only the human Elector has power to select a temporary successor, which is the cause of tension among demonkind. Although told that he is the direct descendant of King Solomon and has unshakable authority in the underworld, William refuses to believe it. While denying the existence of magic and the supernatural altogether, the defiant realist fails to recognize that he is at the center of the ongoing battle between Heaven and Hell.

Based on the manga series by Hiromitsu Takeda, this romantic comedy is about Takeru Ohyama, a typical perverted teenage boy. His new school doesn't require entrance exams, and it just turned co-ed! Unfortunately, his dreams of a happy high school life are dashed when he finds out the school is much more than it seems. All of the students wield a special item—a Maken—to unleash their magical abilities in duels! Can Takeru find a Maken that works for him? Even while trying to fit in at a new school and dealing with all kinds of girl problems? (Source: FUNimation)