In Order to Save My Sister, I Was Granted Marriage by the Empress at the Beginning

Li Ran traveled to another world and became a beautiful man famous all over the world. He was originally living the life of a second-generation official in the capital. In order to rescue his sister who was imprisoned in Tianlao, he decided to sacrifice his sex life, stepped into the palace, and participated in the palace examination set by the empress to find the consort of several princesses! With his talent as a civil servant, Li Ran passed the imperial examination perfectly! But I didn't expect it. The empress actually gave him to the most domineering and arrogant little loli, the fourth princess! The most terrible thing is that this fourth princess and her sister are still good friends! Fortunately... The system finally appeared! However, the ultimate mission of the system is to help this unreliable girl win the cruel battle for imperial power and become the crown prince! .... The introduction is weak. This book is also known as How to Train a Little Lolita to Become a Big Demon King. When I am in the palace, the princesses all want to conquer me. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.