Clara smiled, feeling happy and content. "Anytime, Em. I'm always here for you."

It was a sunny Saturday morning, and 19-year-old Clara was lounging around the house, trying to decide what to do with herself. Her little brother, Alex, was busy playing video games in the living room, and her parents were out running errands.

The two sisters spent the rest of the day lounging on the couch, munching on popcorn, and laughing together as they watched their favorite movies. They played games, did a puzzle, and even had a dance party to their favorite songs.

Clara grinned. "Well, I was thinking we could start with a Marvel movie marathon. We could watch some of the Avengers films and then play some board games or do a puzzle."

As she scrolled through her phone, Clara stumbled upon a fun idea - she had promised her 15-year-old step-sister, Emma, that they would have a movie marathon and game day together. Emma had been going through a tough week at school, and Clara wanted to make sure she had a chance to relax and have some fun.