Quick Transmigration: What's Wrong with the Yandere Male Lead? It's So Good!

(Ahhh, my darlings, the book's ratings just came out! Don't let the ratings discourage you, please don't force me to beg you on my knees! ˵>ㅿ<˵)
The only red flag: The female lead is unwilling to endure hardship and does not have children.
The male protagonist in each of these small worlds is a yandere of various types.
(1v1, both leads are virgins) (A sweet story disguised as a yandere romance, the male lead's yandere tendencies are moderate)
Sigrún has taught at the Iceland University of the Arts as a part-time lecturer since [-] and was Dean of the Department of Fine Art from [-]-[-]. In [-]–[-] she held a research position at Reykjavík Art Museum focusing on the role of women in Icelandic art. She studied fine art at the Icelandic College of Arts and Crafts and at Pratt Institute, New York, and holds BA and MA degrees in art history and philosophy from the University of Iceland. Sigrún lives and works in Iceland.
Jiang Rangrang is a homebody and lazy. She never cleans her house, only washes herself, and even buys a special small washing machine to wash her underwear.
Even with a monthly salary of less than 6,000 yuan, I still have to hire a part-time housekeeper once a week to help clean the house.
As for what Jiang Rang, who is lazy, greedy, and a homebody, dreams of, what is it?
She would immediately answer you: I want to be the girlfriend of a rich, sickly, possessive, insecure, and extremely handsome guy.
Especially the kind of situation where they lock her up and don't let her go out, and even feed her by hand.
And so, her dream came true.
System 888 appeared and took her on her magical journey.
Yandere school heartthrob, abstinent forensic doctor, celestial war god, young marshal of the Republic of China, e-sports god, merman prince, underworld boss, banished immortal imperial advisor, autistic pianist, nine-tailed demon king, deposed prince in the cold palace, leader of a post-apocalyptic base, top-tier movie star, mountain god, sickly prince, gentle scholar, noble CEO, small-town veterinarian, schoolteacher, forest deer demon, orphanage director, bandit leader, vampire duke, commander of the secret guards, tribal chief, Buddhist monk, interstellar marshal, judge of the underworld, adopted son of a wealthy family...
Write them one by one!
The author is all about listening to advice; feel free to suggest your preferred genre in the comments!
Feel free to jump in, there will be no breaks in updates, no unfinished story, and my breasts will be healthy. Please support me, everyone! *bows*