I'm a former slave, but I tried to buy an oni slave who I later found to have too much energy so I want to throw him away...

Chapter 8
Chapter 7.2
Chapter 9: Why did I become a slave?
Chapter 7.2
Chapter 9: Why did I become a slave?
Sora Ono was sent to another world, where she became a slave. Soon after, a clerical mistake caused her “slave” status to be revoked, and Sora walks away a free woman. Then one day, she purchases a slave...