I'm not sure specifically which 'la la school drama story' you mean. It could be about the typical dramas that happen in school like friendships, rivalries between students, or conflicts with teachers.
Once upon a time, there was a little rabbit named Benny. Benny lived in a beautiful meadow filled with colorful flowers and tall grass. One day, Benny decided to go on an adventure. He hopped over the brook and into the forest. There, he met a wise old owl. The owl told Benny about a magical tree deep in the forest that had the most delicious fruits. Benny was excited and set off to find the tree. After a long journey, he found it and had the best meal of his life.
I'm not sure specifically who the full cast of 'The Las Vegas Story' is without looking it up. It could include many actors. You might want to check movie databases or official movie resources for the complete list.
The phrase'regresa a mi' simply means 'come back to me' in Spanish. In a manhwa, it could be part of a romantic or emotional scene where one character is expressing a desire for another to come back. However, without knowing the specific manhwa, it's hard to say exactly how and why it's used.
It seems there might be a grammar mistake in this phrase. If it was 'Nada cambiará mi amor por ti' it would mean 'Nothing will change my love for you'. I'm not sure what 'la novel' is doing there exactly.