Here is the full list of all 55 Yakuza Kiwami trophies - there are 46 bronze, 6 silver, 2 gold and 1 platinum.
Completed chapter 9.
Completed chapter 8.
Reached Rank B in Majima Everywhere.
Breaker Majima forced his way into a fight.
Completed chapter 7.
Met Zombie Majima.
Completed chapter 6.
Thug Majima forced his way into a fight.
Completed 10 substories.
Completed chapter 5.
Met Officer Majima.
Completed chapter 4.
Obtained at least 10 Soul, Technique, and Body abilities.
Completed "The Price of an F-Cup."
Completed chapter 3.
Completed chapter 2.
Got chased by Majima.
Completed chapter 1.
Collected the money owed.
Obtained all trophies.
Completed chapter 10.
Completed chapter 11.
Completed chapter 12.
Completed the final chapter.
Completed the game in Legend Mode.
Completed 50% of the Completion List.
Completed 100% of the Completion List.
Slugger Majima forced his way into a fight.
The Mad Dog of Shimano forced his way into a fight.
Assaulted by Majima from above.
Assaulted by Majima from a manhole.
Met the mysterious lady, Goromi.
Upgraded all Majima Everywhere abilities.
Completed "My Baby's a Showgirl."
Completed "Bet On A Champ."
Completed "Wife of a Yakuza."
Completed "A Doctor's Duty."
Completed "The Fake Mizuki's Truth."
Completed "Man On a Ledge."
Spent a steamy moment with Yui.
Spent a steamy moment with Rina.
Completed 30 substories.
Completed all substories.
Defeated Amon.
Completed all of the Climax Battles.
Completed all training for Komaki Style.
Obtained all Soul, Technique, and Body abilities.
Won all tournaments in the underground coliseum.
Successfully asked a hostess out on a date.
Enjoyed mahjong with a hostess.
Won all Pocket Circuit races.
Won against all rivals in MesuKing.
Played all minigames.
Walked 1km during Premium Adventure while holding Haruka's hand.
Obtained EX Rank on Haruka's Requests.