it's up to me, isn't it
何を食おうと勝手だろ
I’ll eat whatever I damn well please.
— 雪山の絆 (2023)
勝手だろ
It's none of your business.
— 預言者 (2009)
そんなの俺の勝手だろ
That's my choice, isn't it?
— レザボア・ドッグス (1992)
どこへ行こうと僕の勝手だろ
It's up to me where I go.
— きっと、うまくいく (2009)