Nerd in Disguise: Blood Bound

As the only daughter to one of the most powerful Mafia families, Shay has sought to figure out her own path despite the overbearing pressures from her Family. After a family dispute leads to Shay and her mother to go into hiding, Shay attends Elite academy--her own perfect Hell. With an incredibly awful (or ingenious)...

Love or Hate (Vampire Knights x Kyou Kara Maou crossover)

Haruka and Juri had a daughter named Kireina, younger sister of Kaname. She has brown hair like Juri and have red-brown eyes. She was beautiful and they love her especially Kaname, then they decided the two to be engaged. And Kireina was so happy having a perfect family, but it didn't last long when Yuki was born beca...