BlackBelle's Manga

A small and weak bookworm gets into trouble with a domineering and handsome werewolf!
"Anyone who messes with me will be punished!" sneered the werewolf.
During what was supposed to be an unexciting game of punishment, unexpectedly, the completely ordinary little bookworm transforms into a handsome and alluring incubus!
"You're my type, doggy." the incubus smiled wickedly.

After finally finding a job, Myeongwoo ends up being ordered to present his company's new products as a door-to-door salesman. While doing his rounds, he meets what appears to be the snobby employee of a huge and very important company, who turns down Myeongwoo's "excellent chinese-made digital camera, fresh off the line!" After drinking his sorrows away, he somehow finds himself sleeping at the snob's house. Little does he know, he is about to discover the stranger's dirty secret...

Itsuki, who's deemed as unknown gender and is expected to be a beta, lost his parents when he was only 15 years old. Since then he tried his hardest and worked hard for his grandma and for himself. Somehow he managed to land a job as a servant under a well-known alpha family but despite his enthusiasm in working there, he was met by a problem—one of his masters, the younger brother Kaisei despise all genders and is somewhat hostile while the older brother, Ujou, is very discriminating towards beta and omega alike. But this isn't the only obstacle Itsuki have to face when his real gender comes to light...