I have seen an anime when I was a child and I had forgotten its name.

All I can remember is the main character is a red haired girl. The main story is the girl went to audition for her voice talent. She voiced some anime in the show and sometime she had to voice some girly and lovey-dovey sounds. She met a man and live in his house. The man become her supervisor. Anyone know this anime? I'm begging to know.....