"Sister... sleep with me... umm..."
Upon hearing Mengxi's cute words, Yumo entered a brief state of confusion.
It is widely known that one of Yumo's biggest weaknesses is her inability to resist coaxing, especially when it comes from children. That's why those little troublemakers in the winter forest would use their adorable charms to seek forgiveness from Yumo after causing mischief.
It has proven to be quite effective, unless someone like Limo who caused too much trouble, then Yumo couldn't bring herself to play the "feather duster" punishment.
Well, strictly speaking, as long as one is smart enough and doesn't act recklessly, they won't encounter the feather duster...