Gou Is In The Eastern Palace, But The Crown Prince Is Actually A Daughter!

[System+Check in+Gou+Dress up as a Pig and Eat a Tiger+Upgrade and Development]The protagonist Xiao Fan was originally a newly graduated Chinese language college student, and his soul traveled to a newborn baby in a different world.At the age of thirteen, he became a scholar, passed the imperial examination at the age of sixteen, and became a tribute scholar at the age of seventeen. Later, he was selected by the Crown Prince and became his attendant.Crown Prince Qin Xuan has a engagement with Jiang Yuli, the granddaughter of the General of Zhenguo. As the big wedding approaches, Crown Prince Qin Xuan approached Xiao Fan and asked him to replace him in the bridal chamber.Xiao Fan was greatly surprised. The Green Crown Prince is not taking his life anymore?The Crown Prince had no choice but to say that he was a woman. Her real name was Qin Xuan, unparalleled in beauty.Knowing the secret and not agreeing will lead to death, Xiao Fan can only agree.At a critical moment, the system finally awakened and possessed the supreme check-in system, claiming that nothing could be checked in and obtained."System, can I sign in and get another system?""System, can you sign in and get a universe?"