Yui's big sister and her childhood companion enter the Diabolik mansion. But the loyal best friend has tricks up her sleeve, and the motherly and caring 'sibling' isn't all that she thinks she is. xxx Basically one of those fics where Yui has an elder sister, but this time there's an extra person.
These are the ships in my story: •Shu x Ayato •Subaru x Yuma •Azusa x Kanato •Ruki x Reiji •Kou x Laito The Sakamaki's and the Mukami's are forced to live together in a new mansion, without Yui, that their excuse of a father built so they can get along, or how Subaru put it 'so that they don't try to destroy each othe...