Credits to LunaticScreamer for doing a play-through/Let's Play of Seraphic Blue! These videos will give you a heads-up of what you can expect from this game. He's done with the Prologue so far, so if you want to check out more videos from him, you can go to his Youtube channel here: http://www.youtube.com/user/LunaticScreamer
For now, here are the videos that he has uploaded so far: