Yuki Komori is the adopted younger sister of Yui Komori. One day, the younger sister gets dropped off outside the Sakamaki Mansion, having to live there with her older sister. Yuki soon finds out that she will be living with Vampires who want her blood, but, what happens when a certain red headed vampire seems attracted to the younger Komori Sister? And what happens when this sister has a secret that even she doesn't know of? And also... What will happen when an event happens that causes her to lose all of her memories? Ayato X Oc. I don't own Diabolik Lovers. I only own my OC, Yuki Komori, and the storyline.