If you were intending to research a broader sociological or psychological topic related to this theme, here are some legitimate areas of study you might explore:

But it also shows the quiet moments: A stepdad fixing a bike chain in The Florida Project (2017). A stepmom defending a teen in Easy A (2010). A sibling who shares no DNA but shares a room, sharing a secret in Spider-Man: No Way Home (where Peter is essentially adopted by the extended Avengers family).

Alyssia had always known that her family was a bit unconventional. Her mom had married her stepmom, Rachel, a few years ago, and while Alyssia loved Rachel dearly, she sometimes struggled with the dynamics of her new family.

The "mockumentary" look at balancing three distinct but connected families. Practical Use: Blended Family Movie Nights