Supernatural High

Long ago relationships between youkai and humans were becoming greater and greater there became offspring of the relationships between youkai and humans called ninkai. After hundreds of years passed ninkai slowly blended in with the humans and were thought to have died out. Truth is that humans are still surrounded by ninkai but the ninkai disguise themselves.
The setting takes place hundreds of years later after the relationships between human and youkai became illegal. There is a special large school that had been built for just the ninkai but there is a barrier around it so humans do not realize the true people hiding in the school . It follows the characters around their daily lives of having to be ninkai and shows how difficult it can be for the ninkai kind.