An official spin-off series of Mairimashita! Iruma-kun, set in an alternate universe in which Iruma becomes a prominent member of the mafia.
Despite being only five years old, Iruma has seen many things as a street urchin...the most recent of which being an old man bleeding out right in front of where he lives! Ever the kind-hearted boy, Iruma spends his time nursing the old man back to health and thinks nothing of it afterwards. When the old man suddenly returns, however, he reveals himself to be Don Sullivan, boss of the underground organization known as Babyls! He makes an offer to adopt Iruma as his grandson, an offer that Iruma finds himself unable to refuse...
Mairimashita! Iruma-kun: If Episode of Mafia It is also Known as: 魔入りました!入間くん if Episode of 魔フィア, Welcome to Demon School! Iruma-kun: If Episode of Mafia
Genres: Fantasy , Crime , Shounen , Action , Comedy , Martial Arts
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Top 5 Manga Like Mairimashita! Iruma-kun: If Episode of Mafia [2026 List]
- 5. Kaeseul
- 4. Seirei Gensouki
- 3. Dog Ningen
- 2. Jukji Aneuryeomyeon
- 1. Rooftop Sword Master
5. Kaeseul
'Kim Shin', a special killer who has sharpened his sword for revenge, and his life with 'Absolute Power' in the afterlife!
Source: MU
Castle has finished publishing and it has 120 Chapters. It is also Known as: Kaeseul
4. Seirei Gensouki
Meet Rio: a callous orphaned boy living in the slums. At only 7-years-old, he realizes he’s actually the reincarnation of Haruto Amakawa, a Japanese university student with a tragic past. While still reeling from this shocking epiphany, Rio also comes to learn that he possesses extremely potent magical abilities and uses his new powers to solve the kidnapping case of a little girl. His good deed is acknowledged, and he’s rewarded by being enrolled into… a prestigious academy for noble children...?
Seirei Gensouki: Spirit Chronicles is currently publishing and has Chapters. It is also Known as: 精霊幻想記, Seigenso
3. Dog Ningen
Rex is a half man half dog. He was created when a drunk old man forced himself on a stray female dog in the street. Because of his father, Rex has to live his life as a freak rejected by society. Now he is looking for him, so he can take his revenge.
Dog Ningen is currently publishing and has Chapters. It is also Known as: 犬の黒人男性, Dog Nigga, Black Dog, DN, Dog N
2. Jukji Aneuryeomyeon
Im Dajun is a high school student who gets bullied at school every day. He came across an interview on TV just when he was on the verge of giving up on life. It was with a murderer who killed the classmates that bullied him. Dajun becomes inspired by what he saw and decides to take revenge as well. His revenge was successful. However, his life steered into an undesired direction. Im Dajun, leaving school, ends up joining a strange Runaway Fam. The young runaway, Im Dajun, no longer suffers from the bullies at his school. Instead, he now must survive against even more vicious thugs on the street...
Source: MU
To Not Die is currently publishing and has Chapters. It is also Known as: Jugji Anh-eulyeomyeon, Jugji Anheulyeomyeon, Not to Die
1. Rooftop Sword Master
After being beat up and put into a coma by eight of his classmates at Nun'Gwang Middle school, Se'young woke up after nine long months and found out that his father committed suicide by self-immolation in an attempt to get justice for what happened to him.As a result, the investigation re-opened and that attackers who tried to sweep it under the rug received a proper sentence for their crimes. But Se'young was unable to assuage the anger and fear he felt for the unjust world. Se'young thoroughly hid himself from this sort of world.The sun would rise and set, the seasons changed, and not once did he step outside of his home. But one day, a sudden and strange sound enticed him to open the door…Embedded in the center of the rooftop was a gigantic blade emblazoned with the words “War Sword” and with it, came the whispers of a God.
Rooftop Sword Master has finished publishing and it has 125 Chapters. It is also Known as: El maestro de espadachin en la azotea, شمشیرزن پشتبام نشین
