In the Kingdom of Devildom, there are Lords that rule under Prince Diavolo. One of those very influential Lords happens to be Karlheinz, the father of the Sakamaki family. With the exchange program beginning, Karlheinz decided that he wanted both his blood family and the family he created to attend the new program and learn in their more natural environment. Of course, was overjoyed at the prospect at more substantial families joining the RAD program after living in the Human Realm for so long.
Of course, Diavolo took the second eldest Sakamaki, Reiji, into the student council as a sign of good faith that the family would be able to uphold the standards that are placed fourth at this prestigious university. He was a little surprised when Karlheinz informed they were bringing a human of their own with the family, but he figured the more the merrier! Yui is fully accepted as an exchange student along with the Sakamakis and Mukamis. It also just so happens the blonde u