Test your logline here before spending months in development. This is not a contest, there are no prizes. However, you WILL get invaluable help in sharpening your concept and refining your logline. Make sure to start here.
Sounds funny. I think it’s the most concise it’s gonna get as a log line, so I don’t know how it can be improved on other then to give a better sense of who the angel and the schoolboy are, but I feel like this sells it. Good luck anyways.