こんな魔法少女…アタシはレミィ

This spring you're just graduated from university, without a career, unemployed.
In vain you're hoping to get a job, and then suddenly a girl appears ''an magical girl?''.
She claims that she came from the TV screen... ''what is going on?!'', her appearance was indeed ''magical'' though.
But what is the purpose? why did she came out?

Is she going to....