Review of School Days

Please, don't even think of watching this anime. Art is fine but the plot is the worst. I have a habit of completing an anime after starting no matter how it is but this is the first time I hate myself for having such a habit I Hate this Anime. Characters and Plot: 2 They were good at the beginning but to the end, it was almost like two contrasting authors wrote the plot and characters from first few episodes and last episodes. Art: 9 it is really good. sound: 8 it was good that it matches the situationI think that Author made this anime while knowing that plot is not good but I can't figure why he thought that people would like it.
edit: seems the anime's source is an eroge ( A game with erotic scenes), which explains my dilemma.
It may be that it is different from all love anime.
SPOILER AHEAD:
I am happy that hero gets killed by the heroine. If it was made into any other ending I would not be able to watch anime for a while