dog eat dog era: Ryuujinzoku Dorei no Futago to Saimin Koubi

For one reason or another, our heroine, the anonymous "Jane Doe" witch, decides to buy herself two twin dragon boys as slaves.

Several years passed , and the twins have grown up. Even though they're supposed to be slaves, they feel more like family, and they even think of the witch as such. But she's hiding something, and they want to know exactly what.

"We're family, right? There's nothing to hide."

Even then, she wouldn't tell them.

They couldn't take it anymore, and so they created a plan...

(Source: DLsite)