Null & Peta: Slippery and Sticky! Big Sister Bikini Battle!
Null Peta: Doki♥ Nullnull Petapeta! Mizugi Darake no Onee-chan Taikai! · ぬるぺた ドキッ♥ ぬるぬるぺたぺた！ 水着だらけのお姉ちゃん大会！
Synopsis
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!?!? (Source: Steam)
Studios: Shin-Ei Animation
Source: ORIGINAL