The "soy" is not necessary in this sentence. "Necesito una novia" means I need a girlfiriend.
"Yo soy su novia" or just "soy su novia" I think it can be said either way, although "yo" ("I") is implied in "soy" ("I am"; which is the present indicative of "ser," or "to be"). It's kind of repetative to say "Yo soy su novia."
I am english
"Oye soy" in English translates to "hey, I am".
"Soy español" means "I am Spanish" in English.
"Soy Mujer" translates to "I am a woman" in English.
"Soy para ti" translates to "I am for you" in English.
"Soy linda" in English translates to "I am beautiful" or "I am pretty."
que no soy: that I'm not
"Soy un leon" means "I am a lion" in English.
"Quen soy yo" in English translates to "who am I" or "who I am."
In English, "Soy una mala novia, me siento tan mal" translates to "I am a bad girlfriend, I feel so bad." It indicates that the speaker feels remorseful or guilty about their actions in a romantic relationship.
im not