Yui's sister(Harem Style)

Well she's Ruby yui's sister younger by a year and she may look cute she's a badass and you know how the rest goes yui is not so nice in this alternate reality and let's see what ruby does about that she's a famous singer, street fighter and another identity that will be revealed if you read it. And she dislikes Yui read to know why .
Disclaimer I do not own diabolik lovers or any pictures here.