ドブネズミと呼ばれていますが
清潔にさえしていれば
その愛らしく聡明な本性を
きっと分かってもらえると思うんです。
仲良くしてあげてほしいんです。

They may be called sewer rats, but you would probably come to see how loving and astute they are if you cleaned them up.
It would be nice if you tried getting along with them.