Coverland Extra L

Anime where 

There is a whole nother world under the covers... the boys and girls are all having fun and they live with someone they call their mother and father as guardians. The upsetting part is at the end of the alien we find that they were having sex with the children and the police aren't them and a large group of children are set free... they'll have to find knew homes and hopefully it's not a loop of the same sitution