It has been 5 years since Yui was sent there as a sacrificial bride for the Sakamakis. Yui is married to Ayato and she has a secret. She doesn't know how to tell him. Also it's Christmas time and she thinks its a good idea to tell him at the Christmas party there throwing. find out what secret she's going to tell him and how he's going to react. I do not own diabolik lovers