National Mushroom Hunting Day
Person A likes to go foraging with their family, but when they move across the country from their family and friends, they try to create a new friend group to do their hobby with, which accidentally leads them into the friend group of a bunch of witches, Person B+. The witches find Person A endearing and start making a point of protecting them with magic, and Person A is unaware their friend group are witches.
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