Here is the full list of all 45 Sakura Wars trophies - there are 36 bronze, 5 silver, 3 gold and 1 platinum.
Obtained all other trophies.
Collected all bromides.
Earned an S rank in all Battle Bot simulations.
Completed all Battle Bot simulations.
Defeated all opponents in Koi-Koi Wars.
Answered 15 incoming messages in a timely fashion.
Completed Sakura's ending.
Performed a Team Attack with Sakura 5 times.
Defeated all members of the Flower Division in Koi-Koi Wars.
Completed Hatsuho's ending.
Performed a Team Attack with Hatsuho 5 times.
Completed Azami's ending.
Performed a Team Attack with Azami 5 times.
Completed Anastasia's ending.
Performed a Team Attack with Anastasia 5 times.
Completed the Final Chapter: Passing the Torch.
Completed Claris's ending.
Performed a Team Attack with Claris 5 times.
Completed Chapter 7: A Flower's Fate.
Performed 50 special attacks.
Raised Morale to 10 with all Flower Division members.
Completed Chapter 6: Gone with the Stars.
All characters appeared in intermissions.
Completed Chapter 5: Fallen Petals.
Performed 30 special attacks.
Had a Tête-à-Tête with all Flower Division members.
Earned the title of Flower Division Captain.
Collected 50 bromides.
Completed Chapter 4: Behind the Mask.
Visited every map in Tokyo.
Completed Chapter 3: The Festival of Peace.
Earned the title of Veteran Captain.
Completed a Battle Bot simulation for the first time.
Completed Chapter 2: A Handful of Bliss.
Performed 10 special attacks.
Triggered dynamic effects in battle 10 times.
Earned an S rank in battle for the first time.
Defended Tokyo in a Raid for the first time.
Collected 20 bromides.
Played Koi-Koi Wars for the first time.
Earned the title of Two-Star Captain.
Completed Chapter 1: Winds of Change.
Fell off the map during battle a total of 30 times.
Raised the trust of a team member.
Collected your first bromide.