YOU SAID:
I'd like to have you as my girlfriend
INTO JAPANESE
私はあなたを私のガールフレンドとして迎えたいです
BACK INTO ENGLISH
I want to welcome you as my girlfriend
INTO JAPANESE
私のガールフレンドとしてあなたを歓迎したい
BACK INTO ENGLISH
I want to welcome you as my girlfriend
Well done, yes, well done!