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The novel and manga are far superior to the anime imho, while it has nice music the low budged really hurts it a bit. And the changes to the story (including pointless new characters like chloe) are not for the best either. Not saying it is bad, the other choices are just more engaging.
Regarding the manga there is something weird too, the version you can buy in the UK is completely uncensored (glorious nipples) while all versions you can see in various online readers are censored. Dunno about the US version though.