After Wiz protected and helped Fluttershy’s Life, She wants to replay him more to show her love towards him. During the whole Christmas break, Fluttershy has Wiz with her at her place with no one to know about it. Fluttershy wants to make sure her and Wiz’s Christmas is the best Christmas ever.

This takes place after the events of Fluttershy’s Best Boyfriend
https://www.fimfiction.net/story/380883/fluttershys-best-boyfriend

11th Entry into EG: Erotic Heaven
https://www.fimfiction.net/bookshelf/1022595/eg-erotic-heaven