The story was about Sunburst getting asked to babysit flurryheart after casting a spell that put a diaper on him and he slowly regresses mentally, even messing himself by the end
7331094https://www.fimfiction.net/story/419400/shiny-vs-sunny
https://www.fimfiction.net/story/359422/finding-sunburst
7331094check this two story
The story was about Sunburst getting asked to babysit flurryheart after casting a spell that put a diaper on him and he slowly regresses mentally, even messing himself by the end
7331094
https://www.fimfiction.net/story/419400/shiny-vs-sunny
https://www.fimfiction.net/story/359422/finding-sunburst
7331094
check this two story