Bishoujo Senshi Sailor Moon Crystal, JoJo no Kimyou na Bouken: Stardust Crusaders Recommendations
There are 5 characters in the main cast
There are "enemies of the week" and one main enemy
The main characters have "alter egos" with special powers necessary to defeat evil (Although, JoJo cast do not transform, but summon said egos)
Both are old manga and old anime remade with sharp animation and bright colors. Also, note the 3d in both the openings.
ps: Sailor Jupiter looks like Kakyoin, with wavy pink hair and green uniform.