I started playing this game after finishing Lucky Dog. It is much more light-hearted, but still contains some contents, including group sex, blood, that may be uncomfortable to some people.
There are four love interests with their respective best endings, and several sub-characters who may have harem ending with other characters or normal endings. Four main love interests all have a normal route and a dark route. Dark routes, literally, are really DARK. There are basically no good endings once you enter the dark route.
The story is fun and there are lots of erotic scenes and endings. However, story itself may be a little bit too simple by comparison. I would say no-ton route is the best since there is a whole fan disc dedicated to him, and he in his human form may be the most good-looking one in the game (lol).
I would recommend this game to those who enjoy comedic erotic games and can accept description of occasional dub-con sex scenes.