[Translation from Japanese to English ] Your items have much high rate of defectiveness. There is a high possibility...

Original text

あなたから購入した商品の不良品率が高すぎます。
商品自体が粗悪なコピー品である可能性が非常に高いです。
商品を全て返品しますので、返金して下さい。
商品は未開封の状態です。

Translation / English

Your items have much high rate of defectiveness.
There is a high possibility of low-quality copies.
I will return all items so please give me a refund.
They are unopened.

Translation / English

The ratio of inferior goods purchased from you is too high.
The possibility that the products in themselves are bad knockoffs is very high.
I'll return all the products to you, so please refund me.
All the products are unopened.