If you are expecting many plot twists and drama, you are wrong here. It's a combination of shojo and shonen, the fighting and relationships are amazing (for that what it is.) If you like reading angelic layer, and you want more: choobit is your answer, it's from the same mangaka group and plays in the same universe. Unlike choobits it's not filled with fan service, it's more family friendly and wholesome. Every Character have a good intentions and its more about the fun of playing angelic layer. The Art is unlike all clamp Mangas top tier. You are finished in around about 2h.