Holo no Graffiti
The episodes often contain various references to pop-culture and
Holo no Graffiti, or HoloGra, is a weekly animated comedy short on the official Hololive Youtube channel, featuring the members in various over the top scenarios such as the Hololive office getting flooded by mysterious fluids produced by Aki Rosenthal.
A trailer was uploaded to the channel on Apr 29, 2019 and the first episode titled "APEX[PUGB]" on May 5, 2019.