YuMi is a SIR Unit made by Invader ŁîM. Not much is known about YuMi, except she was a very well trained robot— she could fly, was locked into duty mode, and she was an excellent defender. Then GIR spilled "POOP Brand Soda" on her and she started to malfunction- now she is a malfunctioning SIR— much like GIR.

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