None

1. They make it sound nice by saying you can choose whether to accept an extra role, but declining too many times will also affect future work arrangements. Put bluntly, you can't really be picky~

2. If you want to earn more money, it depends on whether you're assigned lines. As for the assignments, that depends on them too, hehe~

3. Most importantly, you have to pay for promotional photos!!! Although they don't strictly require you to take them at their studio, it's difficult to get selected if the photos aren't studio shots......hehe~