The Movie Narrator job is hard to get so dun feel bad if you missed it (I missed it too before), you can try it again once you get Shiba's ending or already know the stats you need for the next playthrough. Here's a little something to help you out. I know there was a guide on the site before but I can't locate it anymore so here's mine (minus the answers for the auditions, in case you want to figure them out yourself)
8 Dec's the last audition. You'll need 500 fame points to win the award for the best ending.
13 Sep audition – Bloody Boyfriend
Characterization 375
Technique: 380
Singing: 200
Traits: -
19 Sep audition – Rumi's Story
Characterization 400
Technique: 300
Singing: 150
Traits: -
26 Sep audition – Imaginary Friend
Characterization 375
Technique: 380
Singing: 200
Traits: Sickly (eat porridge at restaurant)
6 Oct audition – The Real You
Characterization 400
Technique: 385
Singing: 200
Traits: -
13 Oct audition – You and I
Characterization 425
Technique: 400
Singing: 190
Traits: -
23 Oct audition – Love and Wars
Characterization 450
Technique: 450
Singing: 230
Traits: -
29 Oct audition – Hashire!
Characterization 460
Technique: 460
Singing: 250
Traits: Sporty (from the bookshop)
10 Nov audition – Life as a cat isn't that bad!
Characterization 480
Technique: 480
Singing: 260
Traits: -
17 Nov audition – Brother Complex – Kasumi
Characterization 500
Technique: 495
Singing: 280
Traits: -
17 Nov audition – Brother Complex – Kaname
Characterization 500
Technique: 495
Singing: 280
Traits: -
28 Nov audition – When the snow falls
Characterization 500
Technique: 500
Singing: 300
Traits: -
8 Dec audition – Princess and I
Characterization 500
Technique: 500
Singing: 300
Traits: -