Morihito Otogi is a teenager with ogre strength. His childhood friend, Nico, is coming home after completing her witch training! Following an old pact, they begin living together. Can Morihito protect the clumsy Nico from a dire prophecy?

On the first day of school, Morihito urges Nico to hide the fact that she's a witch, but she tries using magic to secretly help him out in class.

Nico's mother sends Morihito a letter containing a worrying prophecy. Unable to decipher the meaning, Morihito spends the rest of the day on his toes.

Kanshi explains that Nico's mother sent him to protect her. He and Morihito clash, but he takes a moment to warn him of an enemy within the school.

Closet manga fan Ms. Makuwa loses her composure when she realizes that one of her students is a popular fan artist for her favorite series.

After realizing Morihito is getting popular with the girls at school, Nico learns of a so-called lovers’ tree near the site of an upcoming field trip.

Nico and Kanshi start an online video channel, but Morihito is annoyed by their lack of originality and asks their hipster classmate Magami for help.

When Kanshi can't pay his share of the living expenses, Morihito hands him a flyer from an amusement park hiring performers for a superhero show.

Nico and Morihito's classmate Kara asks them to restore a letter from her deceased mother, which her father put through a paper shredder.

After a student council vice president makes a dramatic entrance to forbid Nico from using magic, the council’s other larger-than-life members arrive.

Kanshi saves Keigo from a bully who claims to be using a candy with a stimulant effect. A self-proclaimed witch appears before Nico and Morihito.

A transformed Keigo attacks the isolated Morihito. Surrounded by Wolf's "Dogs," Kanshi and Nico devise a plan to locate and neutralize the warlock.

After things have calmed down, Keigo Magami has moved into the Otogi household. According to Keigo, he'll transform into Wolf if he sees any "crescent-shaped objects." Wolf gives in to his greed and will sleep and eat all day if he can, and even with his sexual desires… And so, Nico, Morihito, Kanshi, and Keigo remove all crescent-shaped objects to lessen the risk of transformation.