Dragon King Starts the Game, but Turns Me into the School Beauty Aunt?

[System + single female protagonist + body swap + pure love + youthful comedy] Jiang Chen is just an ordinary person, but he unexpectedly came to a modern city in another world: What? I am holding a marriage contract and am going to marry a wealthy family? Or should I choose between the two sisters? What? There is an unparalleled old man who is my master? What? I also awakened the omnipotent system. It wants to train me into a dragon king? It's true that the sky has eyes. I am determined to stand tall and stand tall, will I finally stand out? But just when Jiang Chen was imagining the majestic future, suddenly—— Ah! How has my body changed? ! Isn't this the body of my future aunt, Gu Ci? Hey - Master, I have turned into a girl, can you make me change back? No news from Master. Master, come back soon! Master—— Hey - System, didn't you say you are omnipotent? Change me back quickly! The system was silent. System, please speak quickly! System—— It seems that the bug of accidental body change cannot be fixed immediately. Jiang Chen has no choice but to accept the fact that he has become a girl for the time being. But I just accept my body and become a girl! His heart will never change! Jiang Chen secretly swore. But as he became the school beauty of a rich woman, before the time came to change his body, he unknowingly started to look more and more like a girl... Even this time has been delayed again and again, gradually becoming elusive... Can he still maintain his original intention? Just when Jiang Chen felt hopeless about changing his body, he realized that this body swap actually had a hidden meaning—— There are thorns ahead... You... [Congratulations to the host for getting the opportunity to change his body!