Forgotten Sakamaki Sister

This is Sakamakixoc
This will be book 1, will include K project characters and Diabolik Lovers characters. Hylia Sakamaki is the only daughter of Karlheinz Sakamaki and Zelda Kim. As the youngest of the Sakamakis she was arranged to marry Shu her older brother she is 3 years younger than Subaru so 15. But after sudden events cause the entire family to change what happens when she decides to run away to Tokyo, Japan and meets the Red King, Mikoto Suoh? I own nothing but the story line and Hylia.