Haikyun is a volleyball-themed Daimon dispatched by Kaolinite during Sailor Moon S to harvest a Pure Heart Crystal. Fashioned from a volleyball, she turns the sport itself into a weapon, and her single appearance ends when she runs up against a Guardian who happens to excel at her own game.
Haikyun springs from an ordinary volleyball, and that origin runs through her entire design, an athletic monster built to play as much as to attack. Her form belongs to the Daimon ranks created by the Death Busters.
Her offense revolves around the game she takes her name from. She can hurl a charged energy volleyball at a target and pin victims inside a stretched volleyball net, converting a court's own equipment into projectiles and traps.

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Kaolinite set Haikyun loose on an athlete named Tsutomu Asai, whose Pure Heart Crystal she tore free and began batting around like a game ball. Sailor Venus, no stranger to the sport, spiked the crystal back out of her control, and Sailor Moon finished the Daimon with Moon Spiral Heart Attack. Haikyun also resurfaces as a revived boss in the quiz-style Sailor Moon S video game, and she stands out among Daimons for shouting a cheer for Japan rather than the usual line as she is destroyed.
Haikyun is a volleyball-themed Daimon sent by Kaolinite during Sailor Moon S to harvest a Pure Heart Crystal. She is fashioned from an ordinary volleyball and turns the sport into a weapon.
Haikyun can hurl a charged energy volleyball at a target and trap victims inside a stretched volleyball net, converting a court's own equipment into projectiles and traps.
Kaolinite sets Haikyun loose on an athlete named Tsutomu Asai, tearing free his Pure Heart Crystal and batting it around like a game ball.
Sailor Venus, an accomplished volleyball player herself, spikes the Pure Heart Crystal out of Haikyun's control, and Sailor Moon finishes her off with Moon Spiral Heart Attack.
Unlike most Daimons, Haikyun shouts a cheer for Japan rather than a typical parting line as she is destroyed, and she also resurfaces as a revived boss in the quiz-style Sailor Moon S video game.
Looking for more on Haikyun? The Sailor Moon Wiki on Fandom has a dedicated page with community notes.
View on FandomThis content is original writing by Daddy Jim Headquarters based on the Sailor Moon anime series, manga, and official materials. Sailor Moon was created by Naoko Takeuchi, published by Kodansha, and animated by Toei Animation. All rights to Sailor Moon and its characters belong to their respective owners. Episode and chapter references are cited where applicable.
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