I mean it was the 5th anime in a series from the outside looking in, even ignoring all the specials and movies, so I didn't have any reason to give it a second glance at the time lol.
I imagine it's mostly self contained, though.
https://i.ibb.co/Twbb1b6/20240223-211737.jpg
https://youtu.be/qj9p6IFSlnk?si=cZ5L4OPM0TjVjwCD