Purple and Green hair girls

When he accidently goes to another plane called Abyss plane he meets these two girls sparring and becomes their friend. Abyss plane is where power is all and woman have lower status. He saves them from some lecherous guy of their tribe. The tribe leader gifts them to him. Their body is a llittle different from humans and they have thorns on some parts of their bodies. He was at the lust realm so he did them a  lot to satisfy his desires.