Otona Taisen
ongoing

War of the Adults

Author: Kappy
Artist: Tsuzuki Masaaki
Published: 2025
Demographic: Shounen
Type: Manga
Thriller Psychological Drama
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What makes a 'proper adult'? Inspired by the words of his late father, Yutaro Urashima sought to become an upstanding member of society by developing and strictly adhering to his own "Articles of Adulthood." Little did he know, however, that those same articles would go on to dramatically change the world...
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Chapters (75)

Chapter 46: ONCE UPON A TIME
MangaPlus Apr 03, 2026
Chapter 46
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Chapter 45
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Chapter 45: YOU CAN'T ESCAPE YOUR REAL NAME
MangaPlus Mar 27, 2026
Chapter 44: ISN'T THE POINT TO STOP DOING BAD THINGS?!
MangaPlus Mar 20, 2026
Chapter 44
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Chapter 43: AT SHUEISHA, THE COFFEE IS FREE
MangaPlus Mar 13, 2026
Chapter 43
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Chapter 42.1: ILLUSTRATION
MangaPlus Mar 06, 2026
Chapter 42: OUR BATTLE IS JUST BEGINNING!
MangaPlus Feb 27, 2026
Chapter 42
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Chapter 41
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Chapter 41: FOUR-EYED HEROES ASSEMBLE!
MangaPlus Feb 20, 2026
Chapter 40
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Chapter 40: SHOWDOWN WITH THE SUPER GEEZER!
MangaPlus Feb 13, 2026
Chapter 39
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Chapter 39: YOU ALIVE?
MangaPlus Feb 06, 2026
Chapter 38
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Chapter 38: THE CASE FOR BICYCLE LICENSES
MangaPlus Jan 30, 2026
Chapter 37.1: ILLUSTRATION
MangaPlus Jan 23, 2026
Chapter 37: THE NEXT GARDEN HINT
MangaPlus Jan 16, 2026
Chapter 37
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Chapter 36
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Chapter 36: BYE-BYE DAINIHON AD AGENCY!
MangaPlus Jan 09, 2026
Chapter 35
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Chapter 35: AT LEAST LET HIM GO TO THE SAUNA FIRST
MangaPlus Jan 02, 2026
Chapter 34: THIS IS THE REAL WAR OF THE ADULTS
MangaPlus Dec 26, 2025
Chapter 34
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Chapter 33: SAVE OUR OJI
MangaPlus Dec 19, 2025
Chapter 33
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Chapter 32
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Chapter 32: IS IT TOO LATE FOR AN INSURANCE POLICY?!
MangaPlus Dec 13, 2025
Chapter 31.1: Bonus Chapter: CAST OF CHARACTERS #001
MangaPlus Dec 05, 2025
Chapter 31: A PANDORA'S BOX AND JACK-IN-THE-BOX ALL ROLLED INTO ONE
MangaPlus Nov 28, 2025
Chapter 31
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Chapter 30: AZUKI BEAN JELLY MAKES A GOOD GIFT BECAUSE IT LASTS FOR DAYS
MangaPlus Nov 21, 2025
Chapter 30
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Chapter 29
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Chapter 29: LECTURES AREN'T THE SAME AS ABUSING YOUR POWER
MangaPlus Nov 14, 2025
Chapter 28
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Chapter 28: JOB HUNTING IS A NIGHTMARE
MangaPlus Nov 07, 2025
Chapter 27
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Chapter 26
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Chapter 25
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Chapter 24
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Chapter 23
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Chapter 22
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Chapter 21
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Chapter 20
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Chapter 19
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Chapter 19: TO WORK IS TO LOSE
MangaPlus Aug 22, 2025
Chapter 18
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Chapter 17
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Chapter 16
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Chapter 15
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Chapter 14
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Chapter 13
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Chapter 12
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Chapter 11
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Chapter 10
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Chapter 9
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Chapter 8
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Chapter 7
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Chapter 6: FOR REAL? THEN IT'S OFF TO MINATO WARD
MangaPlus May 09, 2025
Chapter 6
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Chapter 5: EXPOSITIONS ARE A DRAG, AREN'T THEY?
MangaPlus May 03, 2025
Chapter 5
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Chapter 4: GOSSIP MAGAZINES REALLY ARE THE WORST
MangaPlus Apr 25, 2025
Chapter 4
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Chapter 3
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Chapter 3: OLD MEN EVERYWHERE
MangaPlus Apr 18, 2025
Chapter 2: NOW YOU'VE DONE IT
MangaPlus Apr 11, 2025
Chapter 2
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Chapter 1
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Chapter 1: YOU MEAN YOU CAN'T BE REINCARNATED BY A TRUCK?
MangaPlus Apr 06, 2025

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