No matter where she goes, Sora takes her sketchbook along. The world is full of beautiful things, and Sora doesn't want to miss a single one. However, Sora is incredibly shy. She only has a few friends, but each one adds a new color to her world.

After a lively afternoon picnic surrounded by cherry trees in full bloom, Sora finds herself alone in an empty Art Club room. But even though no one is with her, she doesn't feel lonely. Taking brush in hand, Sora finally paints what's in her heart.

Using a photograph taken of Beelzebub in his true form as a reference, the angel Zeruel comes to the Akutabe Detective Agency. As he snoops for a way in, Sakuma has feud with the landlady.

Incubus continues to be a thorn in Azazel's side, taking his work, getting the good sacrifices... Even Azazel's mother and girlfriend seem to like Incubus.

A young man named Okada comes to the Akutabe Detective Agency for assistance. He's chasing after the girl of his dreams, but if that girl is an idol singer, is he a romantic or a stalker?

Azazel's been playing hooky from work due to his failure in the last assignment, but Sakuma is indifferent to his absence thanks to the help of a new demon, Incubus.

Undine is ordered to act as the guardian of an insolent teenage boy named Kotaro, but complications arise when Undine falls head-over-heels for Kotaro's charismatic homeroom teacher.

Azazel's already used his ultimate move, "The End of Son," but Sakuma remains the hostage of Weird 48 Masks. As the conflict rages on, this mysterious pervert's true intent becomes clear.

Beelzebub has vanished! Sakuma and Azazel set out in search of their friend, all while fearing the worst… that it may be the work of the angel Zeruel.

Akutabe and Sakuma are brought on as security consultants at a museum. An infamous thief, Weirdo 48 Masks, intends to sneak past the museum's security and steal The Philosopher's Stone.

Work has kept Sakuma busy and is starting to affect her grades. A student in her class offers her a deal: he'll give her a full set of lecture notes if she joins his cosplay club.

As Sakuma attempts to determine the identity of the murderer through deductive reasoning, the other guests at Ryujin-ko are quick to jump to conclusions.

Dissatisfied with Azazel and Beelzebub's job performance, Sakuma is given access to the powerful demon, Moloch. Unbeknownst to them all, an angel is on the prowl looking for grimoires.

Sakuma and Azazel are on vacation at the Ryujin-ko Hot Springs. However, their peaceful relaxation is cut short when they're placed in the middle of a murder mystery.

A woman hires the Akutabe Detective Agency to split up her husband and his mistress. Akutabe places the case firmly in the hands of the good-for-nothing demon, Azazel.

The angel Gaghiel and Undine are going out on a date. As he bungles his way through their date, he contemplates on how he might manipulater her into getting him access to a grimoire.