Fujii Kasai

Please reread the title

Akuya, the prince's fiancée, is as infamous as she is beautiful. Despite her position, she falls in love at first sight with Sei, a commoner who is becoming a rising star thanks to her talents and cuteness. One day, the prince makes the stunning announcement that he is breaking off his engagement! Seeing a chance to strike while the iron is hot, Akuya decides to steal Sei away with sizzling hot and erotic words of love...

This is a villainess x regular heroine yuri that is irregularly serialized. The spin-off features a female knight x princess.

Ookami, who works in a high-class restaurant, is a rough-and-tumble guy who calls himself an alpha. He is given the job of educating a newcomer, Akko Ookami, who is not motivated or pretty, but because of her continuous failures, he is forced to take joint responsibility. But he suddenly loses consciousness... and when he realizes, Ookami, who is actually a super-aggressive alpha, rapes him in her most outrageous form and reveals his true identity as an omega! What will happen to the twisted relationship between the disguised alpha and the disguised omega?

During a time of war in a certain country, a beautiful forest surrounds a castle that houses over 300 prisoners of war. That is where the beautiful military physician lieutenant colonel Rosenberg has been transferred. Through a particular kind of torture, her job is to extract military secrets from men. In a space that exceeds normality, the anguish and pleasure leave those fine men seeking more. (from mangaupdates)