Hikigaya, the Son-in-law of Three Surnames

Please note that some of the content in this article involves the following plots, so please pay attention. * The otaku Murasaki Shikibu wants me to be the male lead; * Sayuri Sawamura wants to be my daughter; * The Crown Princess Minamoto no Raikou says I'm cute; * How did I, a otaku, become a member of parliament? The real name is also known as "The Living Cao Cao Hikigaya"