Here is the full list of all 41 School Girl Zombie Hunter trophies - there are 30 bronze, 5 silver, 5 gold and 1 platinum.
Obtain all weapons.
Defeat a total of 5,000 enemies.
Defeat Ren by yourself in an offline mission or hosted online mission.
See the ending by beating the game.
Clear Chapter 5.
Clear Chapter 4.
Defeat Die Jaeger by yourself in an offline mission or hosted online mission.
Defeat all Charons and then clear any mission.
Obtain 50% of all weapons.
Clear Chapter 3.
Use an Underwear Trap for the first time.
Clear a Boss mission for the first time.
Use a Club Attack 10 times in a single mission.
Obtain all shoes.
Clear Chapter 2.
Defeat a total of 1,000 enemies.
Clear a Timed Survival mission for the first time.
Clear a Fetch mission for the first time.
Clear Chapter 1.
Undress for the first time.
Use Mayaya for the first time and clear a mission.
Defeat Charon for the first time and then clear a mission.
Defeat all Charons in one mission, then clear the mission.
Obtain shoes for the first time.
Use Rei for the first time and clear a mission.
Defeat a total of 100 enemies.
Obtain an oufit for the first time.
Use Enami for the first time and clear a mission.
Use Risa for the first time and clear a mission.
Use a Club Attack for the first time.
Obtain a new weapon for the first time.
Clear a Destination mission for the first time.
Clear a mission for the first time.
Use Sayuri for the first time and clear a mission.
Attack a zombie's weak point for the first time.
Obtain all trophies.
Defeat a total of 10,000 enemies.
Obtain Rank SSS in all offline missions on all difficulty settings.
Obtain all oufits.
Clear all offline missions on all difficulty settings.
Undress 3 people during a single mission.