Idea: A Woman went to a cosplay party and got displace in past Equestria

Plot# 3

Gillian is a Steven Universe fan and wish to make her own fan made outfit for comic con. So she order some things online next thing Gillian know she end up in the MLP world when Celestial and Luna are still kids. It doesn't help that Discord is running around too. Wanted to help Gillian decide to raise Celestial and Luna becoming their mother. As well holding off Discord until his fall with the Elements. Over the years she is seen as the Queen of Equestria but let Celestial and Luna stay in charge. But one day she went missing fighting an unspeakable Evil years past by she was found again by the mare 6.