Gyagu Manga Biyori is hyperactive, random, and nonsensical, revolving around various plots and characters throughout the series.
| Published | Dec 6, 1999 to 2014 |
| Serialization | Shounen Jump (Monthly) |
| Last Updated | August 9, 2017 |
| Other names | Masuda Kosuke Theater: The Gag Manga Days, 増田こうすけ劇場 ギャグマンガ日和, Masuda Kousuke Gekijou: Gag Mangabiyori |
