If you like monster girls, then probably you would enjoy this manga.
Story (7/10): There's nothing deep, since it has comedy and school tags. It resolves around a profesor, who's really interested about demi-humans, as he meets them and learns about their difficulties with society.
And while I said "monster girls", it's not the same here. Demi-humans shares some traits from the monster's counterpart, but their mindset are those of a human.
This is not a harem. So you can rest at ease if you were worried about that.
Art (6/10): Nothing complex. Quite simple when it comes to backgrounds and the face of the professor. But, when it
comes to different expressions depending of the situation (surprised, angered, sadness, etc), mostly from the demi-humans, the job is well done and you can understand them.
Character (10/10): You can find a lot of character development. The most important are the adolescents that suffer from being different, in other words, being a demi-human. They're mostly discriminated since people are afraid of the "unknown".
The demi-humans are well-rounded since they know how society works. They know the differences and that they are being prejudged. But, they still strife through all that.
The majority of the cast are girls, and while they act according to the traits of their monster's counterpart, their personalities are those of a school girl; thinking about love, doing mischiefs, fighting, learning from their mistakes.
Enjoyment (10/10): Fun to read. Characters are likable. I love monster girls, and while it's not like you'll see tentacles, villains, or superpowers, it's a relaxing story.