Null & Peta: Slippery and Sticky! Big Sister Bikini Battle!

In the OVA "Null & Peta: Slippery and Sticky! Big Sister Bikini Battle!", sisters Null and Peta are unexpectedly thrust into a surreal, multinational professional wrestling match. The bizarre bout pits them against foreign alter-egos of themselves, transforming what should be a simple contest into a wildly unpredictable spectacle. As the two siblings navigate this disorienting arena, they must rely on each other to overcome opponents who mirror their own appearances yet hail from entirely different backgrounds. The stakes extend far beyond mere athletic competition. Amidst the chaos of the ring, questions arise regarding the unexpected domestic skills of these alternate versions of Peta, specifically whether any of them possess actual culinary talent. Meanwhile, the presiding referee struggles to maintain order as the rules of engagement are continuously bent and broken. With the match rapidly descending into utter absurdity, it remains to be seen whether the official in charge will ever intervene to halt the escalating antics or if the sisters can secure victory before the madness consumes them entirely.