The Villainess, Cecilia Silvy, Doesn't Want to Die, so She Decided to Crossdress - Chapter 1: There is a “Prince” at Wruhel Academy.

Everyone in the entire imperial capital city B knows that, in recent months, there has been a fortune-telling stall with a sky-high pedigree.
Break the marriage, control the universe; talk about misfortune and good fortune, test the secrets of the sky; comment on the eight characters, change the way of luck… simply say that you are alive, you will not die, say that you are dead, you don’t want to live!
The reason why anyone with a head and a face knows it is because the head and face naturally feel that the magic stick cannot be placed on the table and cannot be seen.
However, the wind has changed recently. It is said that the famous Bai family of the Junhong family has sought a famous magic stick for the youngest son of the sick jar!
Unexpectedly, the magic stick was very pretentious and deadly, and only said one sentence.
“I miss him, unless I marry him. Otherwise, within three months, he will surely die!”
So, the whole emperor was in an uproar.

Keywords for a god stick to marry a wife: god stick to marry a wife, blood children, one-on-one, spoil you

- Description from novelbuddy

She is intelligent, beautiful, calm, and professional. As the youngest chief forensic investigator for the past few years, her future was very bright. All of this, however, changed with a bizarre time-travel.

When the pure lotus provoked her, she slapped her instantly, “It's just a pair of worn-out shoes. If you want them so desperately, take them and wear them.”President Jones intruded with a cheeky face, “Wife, even if they're worn-out shoes, I'd only let you wear them.”“Scram!”...【One man, one woman】Four years ago, she left in fury with the bun in her oven. Four years later—“Uncle, I noticed that your face has a gloomy look, it looks like you have excessive liver heat. It's obvious you lack a wife. Do you want to get to know my mommy?”The president who remained aloof from women looking at his mini-me, his eyes deepened. He immediately packed up the mother and child, and brought them back home, pampered them to the point of annoying everyone.Someone asked, “President Jones, isn't this a bit too unreasonable?”The president smirked coldly, “You expect me to be reasonable when pleasing my wife?”This is a story about an overbearing President Jones, who's fiercely dominant, and unreasonable in pampering his wife.

This is a tale that distorts the scenario of an otome game.An orphan girl named Alicia is attacked by a woman trying to steal her body to become the “heroine”. From the fragmentary knowledge she acquires, Alicia learns that this world is the stage of an “otome game” in a “world of sword and magic”.Having learned the truth from the knowledge she obtained, the immature Alicia dismisses the otome game as “nonsense” and runs away from the orphanage to escape the fate of the “heroine”.A villainess aims to take her life. A fake heroine appears. Alicia trains herself using the fragmentary knowledge she has gained in order to survive, growing into the “Strongest Assassin” that is feared by both the Thieves’ Guild and the Assassins’ Guild.