Here is the full list of all 20 Ninja Pizza Girl trophies - there are 20 bronze.
Complete the Ninja Pizza Girl story
Complete "No Pants, No Pizza!"
Complete "Fear of Falling"
Complete "For Love of Pizza"
Complete "Poverty Bites"
Complete "R-E-S-P-E-C-T"
Complete "Loser Town"
Make an outfit
Make all the outfits
Buy a game
Buy all the games
Have a cup of tea, some chocolate or a nice hot bath
100% game completion
Deliver a pizza in First Person Mode
Be "in the zone" for 30 continuous seconds
Deliver a pizza in a R-E-S-P-E-C-T level without attacking a single rival ninja
Safely fall 40 metres
Deliver all pizzas in a time that's Beyond Classification
Deliver a pizza in an A+ time
Deliver a pizza in a time that's Beyond Classification