「たまにこれ着ないと巫女であること忘れられそうだから」とのこと

ちなみに普段着はこんな感じ→"illust/54334206":[/posts/2228484]

"If don't wear this once in a while, people start forgetting that I'm a miko." type deal.

By the way, her usual clothes are like this→"illust/54334206":[/posts/2228484]