Date of Birth: 
About Kōsuke Masuda
- Gag Manga Biyori (????????, Gyagu Manga Biyori, lit.
- Good Day for Gag Manga) is a manga serialized in Monthly Shonen Jump until July 2007 when the magazine ceased to publish.
- The manga continued serialization in its monthly successor, Jump Square.
- The series ended in November 2014 and was followed by Masuda Kosuke Gekijo Gag Manga Biyori GB. Its first anime adaptation was a short film animated by Toei as part of Jump Festa in 2002. The first anime series and the sequel were produced by Artland, while the third and fourth sequel were produced by Studio Deen, selecting stories from the manga.
- Most episodes are five minutes long. Gyagu Manga Biyori is known for its hyperactive, random, and nonsensical style that revolves around various plots and characters throughout the series.
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