Mashima, Hiro

The story shows Mashima himself as a teenage delinquent with his friend and how they were influenced by reading Weekly Young Magazine back in the 90s.

(Source: MangaDex)

1993

Sakurai, Ato

Aoi, a demon boy hiding his true identity, lives a quiet life as a normal high school student. But one day, a girl suddenly falls from the sky, and she's not what she seems. Get ready for a modern-day pop demon battle from a highly skilled artist in the manga world!

(Source: MANGA Plus)

Kikikaikai

鬼鬼戒解-キキカイカイ-

Barikios

An angel spends her days in boredom, forgetting her duty. As part of a covenant, she was tasked with protecting a noble family. However, a thousand years later, a demon appears and finds an opening...

(Source: MANGA Plus)

Exorcist Angel

Exorcist Angels

エクソシストエンジェル

Donomichi Kodoku

It's a big day for our protagonist, Usagida. She gets on an early train, unable to suppress her worries that something might go wrong during her high school entrance exam. Trying to go over her notes just makes her anxiety worse... When she finally can't help but burst into tears, a certain someone calls out to her...

(Source: MANGA Plus)

Nannimo Umaku Ikanakattara Dou deshou

What If Nothing Goes Right?

なんにもうまくいかなかったらどうしよう

Yachi, Taiyou

Half a century ago, the Cosmic Demon Delekacon was sealed away, averting Earth's destruction! And now, Pec—the demon's left eye known as Eye Boy—is living it up as a permanent freeloader with his best friend Keigo?! A groundbreaking 79-page one-shot mixing youth, sci-fi, and friendship!

(Source: MANGA Plus)

Eye Boy

アイボーイ

Ishin

Veteran exorcist Shiren Erihara worries about absolutely everything. One day, he goes on a demon hunt with rookie Hajo, but his anxieties are endless - from wondering if he turned off the gas to worrying about losing the rookie's respect. Can this unlikely duo manage to exorcise a powerful demon?!

(Source: MANGA Plus)

Chuuken Exorcist Erihara Shiren no Shinpai

The Worries of Shiren Erihara, a Mid-Ranked Exorcist

中堅祓魔師〈エクソシスト〉 襟原士蓮の心配

Iori, Wataru

To avenge her murdered parents, and to bring peace to the people, a justice-driven princess of a fallen kingdom rises up alongside her retainer! But the princess herself is unbelievably weak?! A spunky princess and the ultimate retainer!

(Source: MANGA Plus)

Manimani!!

Go with the Flow!!

まにまに!!

Kuroto

Veteran assassin Sazé is assigned to train rookie Gigi on the job. However, Gigi, being typical of "kids these days," accuses Sazé of workplace harassment just for giving a little advice...

(Source: MANGA Plus)

Koroshiya Power Harassment OJT

Workplace Bullying: Hitman in Training

殺し屋パワハラOJT

Kabuto, Junichi

Dentor works at a nursing home where a man of legend is rumored to be. But it turns out he's actually a promising young talent making waves in the mafia. Dentor's assignment is to infiltrate the nursing home where the legendary assassin Omega is in hiding, and snatch the 100 million dollar bounty...!

(Source: MANGA Plus)

G.G.G.

Osaishi, Waga

In these times of war, corporations from various nations were zealously developing weapons, competing through live demonstrations of their battle suits. During one mission, Austin, the ace of Nightblower Corp., encounters a fighting salesman from a rival company...

(Source: MANGA Plus)

Tatakau Salesman

Battle-Ready Salesman

戦うセールスマン

Nabe, Hideaki

In the Magic Realm, mages train hard to master their arts. However, one mage named Toya Osoegawa only cares about using magic to live a comfortable life! But now, thanks to the orders from the Divine Magus, the least motivated man in the Magic Realm has been sent to the Human Realm! Can he use his bizarre magic to protect humans and send evil wizards back to their world?!

(Source: MANGA Plus)

Tonari no Osoegawa

The Mage Next Door

隣の小副川

Suganuma, Tatsuya

Horo Mitsuboshi is a super model prisoner who was born and raised in the slammer. But in order to bring peace and niceness back to wild Nobana-shi Prison, he'll have to stand up to the super death row prisoner. Are you following this so far?

(Source: MANGA Plus)

Included one-shot:
Volume 1: Fuzoroi no Bunshin-tachi
Volume 2: Joke de Jorei

12 Manga Like GTO: Shonan 14 Days