なんでも似合うまひろちゃんなので、TSさせられて妹にさせられてお漏らしさせられた悲しい目つきをしながら売り歩いてくれます。

Mahiro looks good in everything, so she's made to go around selling it with a sad look in her eyes, as if she was being forced into TS by her sister which made her wet herself.