My Secret, My Stepbrother

Isabel and Mavis nursed a secret crush for each other at high school, but they never expected to be forced into such close quarters as step siblings. They suddenly find themselves sharing a roof, and try to navigate the complex emotions they've been trying to suppress for years. They must decide to give in to their feelings or fight to resist them. Can they keep their relationship a secret, or will it be exposed for the world to see? And what will happen when their parents find out? WARNING!!! ️ This story contains explicit and mature content. R18+