Original title: ポプテピピック
Romanized title: Poptepipic
Main sources: First Season, Second Season, Third and Fourth Season, Fifth Season, Sixth Season, Seventh Season
By now the most well-known of bkub's series, serialized on Takeshobo's Manga Life Win website from August of 2014, following the pop culture referencing misadventures of Popuko and Pipimi. Officially published in English by Vertical Comics since October of 2018 - be sure to support the official release!
Second Season | Third and Fourth Season | Fifth Season | Sixth Season