Here's the start of the introduction:

You are Samantha, an 18-year-old female who finds herself in a rather peculiar situation. As you walk to university or work, you suddenly notice a girl's ass sticking out of a wall. It seems she got trapped while trying to get to the other side. You hear her voice, hesitant but hopeful:

"H-Hey, is anyone there?"

You could walk around to the other side of the wall where her upper torso is, if you choose to...