Chika is a young Japanese girl who isekaied into a fantasy world as a preteen and immediately got captured and sold as a (male) slave, so she blew off steam by (sexually) tormenting the captured warrior Douglas. Much later, Douglas has been freed and she's been found out as a woman and is being sold as a virgin sex slave when Douglas buys her. She's worried about him seeking retribution, but it turns out that he didn't recognize her, and he's also impotent ever since being tormented by the young boy (Chika), so she lives a pretty comfortable life by his side. But as they get closer, Douglas has to figure out how to trust Chika while at the same time keeping her by his side. I like Chika's character a lot, but the actual story of this one isn't anything special. Decent smut, I like their mild S&M dynamic. Trigger warnings: slavery, noncon, slime rape.
I'm a Slave in an Alternate World but My Master Does Not Desire Me