Is there a miraculous ladybug anime?
No,
Miraculous Ladybug is not an anime. It's original style was going to be similar to anime, however the creator Thomas Astruc, didn't like the way it was going and it wasn't catching anybodies attention. So he scrapped it, redid some things, changed the target audience and its animation style to a french cartoon.
Has Miraculous ladybug ended?
With Disney pushing the series harder and in more places than ever,
ending anytime is unlikely for Miraculous.
Does Adrien love Kagami?
Okay, so in Season 3, it was revealed that Luka was truly in love with Marinette, and
Kagami was truly in love with Adrien, and that at the end of the season, Marinette ended up with Luka, and Adrien ended up with Kagami.
Does Marinette have a brother?
Nonetheless Marinette and her
brother Tyler got along fairly well. There was the occasional times when she stole his phone or he made kissey faces at her when Adrien was brought up but overall they loved each other.