Disappearing Pants Bonus is an anime-only Slot Magic Spell. The user pulls down the crank handle of the slot machine within their body, causing the reel to spin. Once it stops with three heart symbols, the user releases a Magical wave that dissolves the pants of the selected target.
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Would they create an anime for Fairy Tail 100 Years Quest? - Quora
The Crow Mage -FairyTail OC reboot- by 21stCenturyFaun on DeviantArt
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Disappearing Pants Bonus, Fairy Tail Wiki
Episode 37, Fairy Tail Wiki
Steel Wall Fairy Tail+BreezeWiki
Disappearing Pants Bonus, Fairy Tail Wiki
Disappearing Pants Bonus, Fairy Tail Wiki