"A Cold Heart" (Yandere Snow Woman X Child Reader)

(Note: I know it's not Christmas but I thought it was an interesting idea. )
in a twisted take on classic Christmas stories like Frosty
a 10-year-old boy lives with his father who is an alcoholic. after visiting his grandparents in a cottage in the mountains for a week. he makes a new friend with the surrounding snow. when looking up to the night sky and wishing for a new friend. he gets one. but he should be careful of what he wishes for