Evil, Misfortune
A spirit wearing two mustaches must be evil. Everyone knows a mustache makes you evil, but two? And on a spirit? Yup, definitely evil.
Look at the evil spirit with two mustaches on its spirit face. Imagine its face in detail, especially those mustaches.
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わざわい
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You're watching the evil mustache spirit when it starts to float toward your car (か). And it's... hey! It's trashing your car! You knew this guy was evil!
Imagine running around, flailing your arms, trying to get the spirit to stop ruining your car. But your hands go right through him and his two mustaches. You can't stop his evil doings.