YOU SAID:

Then you swear that, once I defeat an enemy, you will buy me pants?

INTO JAPANESE

じゃあ、敵を倒したらズボンを買ってくれるって誓うの？

BACK INTO ENGLISH

So, do you swear you'll buy me pants if you defeat the enemy?

INTO JAPANESE

それで、敵を倒したらズボンを買ってくれると誓いますか？

BACK INTO ENGLISH

So, if you kill your enemy, do you swear you'll buy me some pants?

INTO JAPANESE

それで、敵を殺したら、私にズボンを買ってくれると誓いますか？

BACK INTO ENGLISH

So if you kill an enemy, do you swear you'll buy me pants?

INTO JAPANESE

それで、敵を殺したら、私にズボンを買ってくれると誓いますか？

BACK INTO ENGLISH

So if you kill an enemy, do you swear you'll buy me pants?