Sakuma is a college student who works part time at the Akutabe detective agency. There she does regular office work for private investigator Akutabe. However, Sakuma soon learns that Akutabe is no ordinary detective, but in fact a demon detective. He is able to summon demons through the use of a grimoire and use each of their special abilities by providing an offering. He uses their magical powers to solve the case he is working on and he wants Sakuma to start learning demon summoning. As Sakuma begins her journey to be a demon detective, little does she know the repercussions of using demons.

This world has been invaded by bugs.

With the appearance of the "Armored Bugs," mutating insect monsters that can overcome all modern weapons, humanity has been robbed of much of its living space. The only ones who can stand against such adversaries are the "Noble Butterflies," girls who harbor "Insects" that have gone through evolutions differing from the armored bugs. One of the candidates to become a Noble Butterfly, Odamaki Ayumi, still suffers from the fact that she is unable to become one. Her best friend, who was supposed to be with her and was her object of admiration, has left her and no longer seeks her company.

Those days of despair came to an end when she was on the verge of death in a battle with armored bugs. "Don't think that I... will die without doing anything!" With the end near, the girl's body transformed into a butterfly one. And the flapping of her wings will bring about a revolution in the world...!

”Is it okay to kill people?"

A treacherous revenge suspense by Shiryu Nakatake, a newcomer to Bessatsu Shonen Magazine.

"Shun, if someone is converted, let him go and do nothing. He should be given a chance to be reborn."

"Grandpa, I hope he doesn't reincarnate himself."

In order to defeat several non-human monsters, the boy also became something non-human.

Shin Uruma, a sixth-grade student, was named "Experimental body: A" by five of his classmates and was severely bullied and lived in hell. His only peace was with his brother, who loved him, and his parents, who protected him.... . until the five monsters killed his family.

When he finally loses everything and faces true hell, a dark "wish" is born inside Shun. He was reborn under the training of his grandfather, who served in a secret unit during WWII. Now, four years later, he appears in front of his fated enemy.

"I won't let ANYONE get in the way of my revenge."

A catastrophic event has thrust the world into an age where disease begets disease. Ostracized for his unconventional treatment methods, the dark Doctor Ikuru is stricken with an immortalizing disease. On a desperate mission to die, he must save a world desperate to live. This medical science-fiction adventure will go to the very edge of humanity and back in one man's search for an ending to his suffering, all while saving the world he wishes to leave.

(Source: MANGA Plus)

Note: The manga got originally published as a short series of 4 chapters on February, 2020 in Shounen Jump +. On September 6, 2022, the manga got serialized and its 4 original chapters got republished as part of the serialization.

In the vast expanse of space, inside a cargo compartment made of cold metal, I couldn’t help but acknowledge one thing: I had become an antagonistic extraterrestrial life form in an SF survival game.

A cat familiar goes looking for a kawaii mahou shoujo to save the world, but the chosen one is a rather special girl.

Guy's whole class gets summoned to another word, except he's the only who one was transferred to a different one. Just when he gets used to his new life, he gets summoned to another world again, and again.

Hayato is a young deity with a foul mouth who has always heard legends about Demons that were sealed away about 800 years ago. Follow the epic saga of several young deities, who end up having to fight demons, humans and overcome several challanges.

A remake of a web manga of the same name with new art by Cool-Kyou Shinja.

This world revolves around me.

While sleeping in a "deathly" boring dark world, Mitsuba woke up from a long sleep with a mysterious all-powerful feeling, the girl was destined to die, but the magic that was poured into her for 10 years brought the power of a "curse" that should not exist in this world.

Her stepmother, fearing Mitsuba's "death," takes away her aristocratic nature and she is enrolled n a military academy. However, this was only the beginning of Mitsuba's use of the "curse" to pursue her own path.

The powerful "curse" that resides in a small girl causes a unique tale of otherworldly devastation!

Remake of Eko Eko Azaraku.

The original manga focuses on high school student Misa, a model student who is also secretly a witch who uses brutal dark magic to fight for justice.

The "violence gun action" manga's story centers on a dual gun-wielding protagonist who makes makes a deal with the devil to reap the souls of sinners. [ANN]

A race of "succubus" that breeds human beings in the nursery, and human beings trying to eradicate them. After an eternity of time has passed since the two incompatible races began to fight, a "king" will be born who will end the battle.

"Become a hero!"

With that dream in her heart, Shirumiruku Eru became an adventurer. But because she had no special skills, she struggled to find companions. That's when she got the chance to join the dungeon investigation led by Yuris, a great sage who specializes in healing. However, rumor has it that all adventurers who accompanied Yuris have had their spirits broken and abandoned their path as adventurers halfway through... You see, Yuris had a bizarre interest in getting excited by the sight of female adventurers being attacked by monsters.

A gate appears in Tokyo's Ginza district sometime in the 21st century. From the gate pours out monsters, knights from middle-age Europe, and other fantasy-like beings, and they kill many of the citizens of Tokyo. This event is known as the Ginza Incident.

The government sends a small group of soldiers from the Japanese Self-Defense Forces to the alternate world beyond the gate. Led by otaku soldier Yōji, they find that the villages in the world are being attacked by a dragon. An elf girl who is a survivor from the dragon's rampage joins the group in their travels across the dangerous new world.

When a series of animal bodies that rot away after a single night begin appearing in a remote mountain village, Inugami, a detective from Tokyo who specializes in the occult, is called to investigate.

While working the case, he befriends a strange boy who works in the field every day instead of going to school. Shunned by his peers and nicknamed "Dorotabo" after a yokai that lives in the mud, he helps Inugami uncover the truth behind the killings - but supernatural forces are at work, and while Dorotabo is just a nickname, it might not be the only thing about the boy that isn't human.

On Christmas Eve night, Meiko, a female college student, planned to spend a peaceful evening alone on the island. However, when she woke up, a corpse was lying in front of her. From that moment, she was faced with a series of grueling trials unlike anything she had ever experienced before. To reunite with her parents, whom she parted with in an unfortunate way, she must survive—even in this twisted world.

Based on Bram Stoker's "Dracula", a gothic horror story at the end of the 19th century.

Am I "necessary" in this world? What is the true nature of the person called "Muzina" who flies in the sky with a sword on her back in the midst of ordinary life?
What is man, what is society, what are human rights, and what is happiness?

The mafia boss of the Iwashi family is a high school girl named Konomi Minoko. But don’t let her appearance fool you; she has done and seen things normal citizens can’t even imagine. Under her control are two assassins who have gained legendary status for their deadliness and ability to get any job done. Ishikawa Rushia, codenamed Baret, uses a modified handgun that uses a custom made hollow point bullet that explodes the target from the inside. Shirato Marin, codenamed Francesca, uses a original weapon that is a mix between a throwing axe and battle axe. Both of them are Minoko’s high school classmates and seem like normal teenagers but are two of the most feared killers in the mob world who handle missions often involving other assassins and underground groups.

Featuring eerie urban legends that became popular on the internet, faithfully adapted into comics by skilled authors. A true horror anthology for urban legends!