Null Peta: Doki~tsu♥ NullNull PetaPeta! Mizugi-darake no o neechan taikai!
In this bonus episode, Null & Peta find themselves in a trippy multinational pro wrestling match! Can the sisters defeat their foreign alter-egos? Can any of the alternate Petas actually cook!? Will the ref ever put a stop to this chicanery!?!?
Announced to be bundled with the Steam game released December 20th, 2019, but later delayed to January 31st, 2020.