Depends on a few things:

First, how long are the chapters? If they're really long, that might be something that will lose some readers. If they're relatively short and what you have in those first four chapters is compelling, then you'll keep your reader's attention.

Second, is there sex in chapters 2-4? Because I can imagine some people just won't bother if there isn't. Of course, that's assuming you're intending on putting it on the stories site here. You can always add a disclaimer that indicates when the "good stuff" starts.

I like character development for longer stories, but short stories don't really need as much. If I'm going to bother to read something for more than five minutes, I want to be interested in the characters.

Finally, I rather like a mix of "vanilla" and "reverse peanut butter cup" in my stories, depending on the plot. There's a lot of stories out there and some people may not like a lot of the non-consensual stuff or the more serious stuff, so they may like the idea of having a story that develops more.

The most important thing is how you feel about it. If you're happy with it, then that's what's important.