wewe might have to look at the others to understand it better, BAsically the artist draws a bunch a parallel world of Ranma and Akane and this is where they all meet each other.
sanaa ya shabiki
乱あ
ranma 1 2
akane tendo
ranma saotome
parallel worlds
This Ranma 1/2 sanaa ya shabiki contains
anime, comic kitabu, manga, cartoon, and mkono.