a challenge to Rito's devotion to her.
Season 2 & 3 actually developed a believable story
by introducing lala's OVA twin younger sisters:

A 2nd OVA and 4th season didn't fit the 2nd and
3rd Season at all! It seemed to be trying to explain
what we already knew with truly horrid statements:

Considering that they actually had a storyline to
follow, I'm curious "what's going on with this Anime!"?