Talk:FGO 2016 Summer Event Re-Run/@comment-4967984-20170714190814/@comment-50.4.130.27-20170714193557

It's an option in your My Room Settings.

If I remember, it's the option above or below the option to see the ascension art from your friends' servants.

Turn it off and then it won't switch between servants, keep it on and it'll have a different servant enter your room everytime you go in there.