younger brother’s wife, sister-in-law
아 예 제수씨 예예,
Oh, yes, sister-in-law. Yes, yes.
— Oldboy (2003)
고맙습니다, 제수씨
Thank you, sister-in-law.
— 얼굴 (2025)
내가 가서 제수씨 한테 잘 말해줄게
I'll go talk to your sister-in-law and explain things to her.
— 엘 시크레토: 비밀의 눈동자 (2009)
그리고 제수씨가 보낸 택배는 왜 피해자 집에서 나온 거 고?
And why did the package your sister-in-law sent turn up at the victim’s house?
— Unlocked (2023)
그, 제수씨가 네 걱정 얼마나 하는지 아냐?
Hey, do you know how worried your sister-in-law is about you?
— The Match (2025)