A month has passed since (Y/n) started living with the Sakamaki brothers and her 'annoying' sister Yui. Things were peaceful for a while after the incident with Ritcher and Cordelia, however, when (Y/n) was living with the Sakamaki brothers she had learnt that she's the reincarnation of a woman named Aiko, who has demon blood. (Y/n) and the brothers have no idea where the demon blood originally came from but, on one night, when the brothers and the two sacrificial brides were on their way to school a car crash happened and that's when they met four mysterious figures, who are the Mukami brothers, and they were vampires just like the brothers but they were not purebloods. One night, (Y/n) and Yui gets kidnapped by these four handsome vampires and they started craving for their blood in order to achieve their 'apple of Adam' plan that was created by Karlheinz, the Sakamaki's brother and the demon King, however, while (Y/n) was living with the Mukami brothers, (Y/n) began to discover some changes as her story progresses. What will happen when (Y/n) gets along with the Mukami brothers? will she find out who she truly is? who are her old friends? find out in this second story of 'Yui's Sadistic Sister'!

Laito finds out he has a 14 year old daughter and the rest you have to read

(Warning: this book contains yui being ooc and mature content warning.) What if Diabolik Lovers Fanfic writer and hardcore anime fan Christine Duong is actually moving to the Sakamaki mansion where the spoiled and naive Yui Komori is living there with the Sakamaki brothers? Christine Duong is a beautiful and intelligent girl with a passionate love for anime and fanfiction(especially Diabolik Lovers Fanfic) who has a family that is great friends with Seiji Komori who is a priest at a church in Japan and has a spoiled daughter Yui Komori(Yeah and I said it bluntly 😑). This reunion DOESN'T turn out great when Seiji announced her family that Christine will be living with the Sakamaki brothers where Yui is living with them(GODAMNIT), but she won't get too much annoyance from Yui when she steps into the world of sadistic but mysterious mansion of the Sakamaki brothers, she got immediately jumped into excitement when they all turned out to be sexy vampires and the brothers especially Yui are shocked to see her undaunted by their vampire race. What happens if the Sakamaki brothers falls in love with the cute and charming Christine? What if the Mukami brothers fall for her as well? How would she survive? Find out in the Diabolik Lovers Fanfic! (Started in Jan 14, 2017 Completed in September 26th 2017)

Yui considered herself lucky to escape the Sakamaki's tight grasp. After becoming a vampire (with the help of her biological mother, who is a high-ranking demon), she conceived 10 daughters. The girls have the same mother, but different fathers.