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...

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... is a Manga/Manhwa/Manhua in (English/Raw) language, Fantasy series, english chapters have been translated and you can read them here. You are reading 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... chapters on www.mcreader.net, fastest updating comic site. The Summary is

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...