Sora no Otoshimono is a very special series it tackles very much and does it all for the most part very well. It is a ecchi series which has some great character development over the course of the story you are able to see impactful change happen, and it makes it a very enjoyable experience. The story unfolds in quite a fun way too it takes twists and turns you may not expect and takes them all seriously which adds to its charm although it has serious moments it still does have some great comedy it hits the emotional spectrum just right serious momentsare given the seriousness they deseve and the comedy is funny.