난 니가 필요해 (nan niga pilyohae)

she's right. 1.난 네가 필요해. 2.네가 필요해. 네 -> it's same as 니 , but when you write korean you have to write as 네 of course it's right as well 1.난 니가 필요해. 2.니가 필요해.