Bought a Demon Slave but It's Too Strong That I Want to Throw It Away...
元奴隷ですが、鬼の奴隷を買ってみたら精力が強すぎるので捨てたい...
MANGAreleasing2021
Synopsis
It has been 7 years since Sora Ono was sent to another world, where she was made to be a slave. Because she went to the wrong section at the slave office, her “slave” status was accidentally revoked, and Sora walks away a free woman. Then one day, she purchases a slave... Source: MU