Era of Castles: Starting with 99 Dragon Eggs - Chapter 17

After dying in an oddly anticlimactic vending machine accident, Kazuki Ren is reincarnated in the demon realm—not as a hero, not as a villain, but as the only human male student enrolled at the mysterious Academy of Ruin, a school where all the professors are demon lords and all the students are powerful, beautiful she-demons.Ren is told he has one task: survive.But there’s a catch. The Academy’s darkest secret is about to awaken, and Ren holds a hidden power that could either destroy the demon world... or rule it.Now surrounded by seductive demons with hidden motives, eldritch tomes, forbidden dungeons, and twisted exams, Ren must master his ability—or be consumed.Magic, mystery, danger, and temptation await in this dark academia harem fantasy.

Xia Yuqing is a shut-in+fujoshi from the 21st century. After an accident, she transmigrates into the body of a young princess forced into a political marriage to another country.

“W-where is all this blood coming from? Is this– Is this nose blood? AH, YOUR HIGHNESS! A-are you alright? What? No! You mustn’t! Princess Xia, please, come back!”

“… I… need… to… see…”

The aide could only helplessly look on as Princess Xia Yuqing crawled towards the emperor’s quarters, leaving a trail of blood in her wake.

Fujoshi: a term for a woman who enjoys reading about relationships between men.

- Description from Novelupdates

After recently taking on the job as the President of Jing Sheng Group’s assistant, she is reports to the president, that has also just taken office, for work.

“Tomorrow morning, postpone all the meetings. At 9 o’clock, follow me to the civil administration office to receive the license.”

On the first day of work, she already encountered an overbearing president that is forcing her to receive the license. Should she resist or obey?

At night, a certain someone leans on the edge of the door, saying in a light and lazy manner: “Madam, I want to turn off the lights. Are you sure you want to go to sleep wrapped like a steamed dumpling while holding a knife?”

“Either that or you can go out to sleep!”

“Impossible, this is my home!”

“During the day, you transferred the house to me. So now it’s my home!”

- Description from Novelupdates

Strong? Handsome? Savage? Badass?It's all about the intelligence quotient, my friend.————PS: Mutation shouldn't be mistaken for enlightenment.