How Japan transformed six mischievous children into a generation of lazy, adult NEETs
In short: Mr. Osomatsu reimagines the iconic sextuplets from a 1962 manga as 20-something adults living at home. While the original series focused on childhood antics, this modern adult comedy follows the brothers as they navigate contemporary life, unemployment, and their own distinct, often dysfunctional, personalities in a ribald, satirical landscape.
Originally created by Fujio Akatsuka in 1962, the Osomatsu-kun manga series centered on identical sextuplets who were notorious for their childhood mischief. In 2015, Studio Pierrot revived these characters to celebrate Akatsuka's eightieth birthday, aging them by ten years to depict them as young adults. Unlike their younger selves, the brothers in Mr. Osomatsu are now NEETs—Not in Education, Employment, or Training—who still reside with their parents, Matsuzo and Matsuyo.
The series distinguishes each brother through unique traits and color-coded designs. Osomatsu, the eldest, is a self-centered gambler, while Karamatsu attempts to project a cool persona that often falls flat. Choromatsu acts as the responsible straight man, Ichimatsu is a cynical loner, Jyushimatsu is an energetic baseball enthusiast, and Todomatsu uses his status as the youngest to manipulate others. Their lives are populated by a bizarre cast, including a homeless con artist named Iyami and a scientist named Dekapan who wanders the town in only his underwear.
Since its debut, the franchise has expanded significantly beyond the television series. Four seasons have aired between 2015 and 2026, with the first two seasons licensed in the Americas by Viz Media. The property has also spawned a manga adaptation, three theatrical films, and a spin-off short series titled Matsu Inu, which reimagines the brothers as dogs. This evolution from a classic children's manga to a modern, adult-oriented comedy reflects a shift in tone, trading the original's innocent mischief for a more cynical, satirical look at the struggles of adulthood.
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- Summary by Intellect · source: Mr. Osomatsu
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