Here is the full list of all 50 New Little King's Story trophies - there are 38 bronze, 9 silver, 2 gold and 1 platinum.
You fulfilled ALL accomplishments in the kingdom!
Completed the Record Encyclopedia
Everyone Lived Happily Ever After
Completed the Animal Encyclopedia
Completed the Humming Encyclopedia
Completed the Monster Encyclopedia
Completed the Gourmet Encyclopedia
Completed the Gem Encyclopedia
Completed the Spot Encyclopedia
Acquired 20 Types of Masks
Completed All Kingdom Plans
Lived happily ever after with a defiant person
Lived happily ever after with a pure and innocent person
Lived happily ever after with a supple and beautiful person
Lived happily ever after with a person who loves music
Lived happily ever after with a mysteriously reunited person
Lived happily ever after with a cute person
Lived happily ever after with a flowery person
Lived happily ever after with that special someone
Stopped Destruction of the World
Obliterated Weirdo
Used JUMP! Cannon Over 50 Times
Obliterated Casanova
Obliterated Blue Dragon
Cleared 30 Quests
Obliterated Pervy Producer
Carefree Population Reached 100 People, Causing a Job Shortage
Collected 100,000,000 Bol
Obliterated Blitzing Birds
Acquired 20 Types of Outfits
Obliterated Radeeze
Obliterated 100 Onii
Obliterated Mush Geezer
Obliterated Troublesome Drunkards
Obliterated Dessert-lovers
Cleared 15 Quests
Obliterated Ogre Ergo
Total Number of Incapacitated Citizens Reached 50
Collected 15 Types of Weapons
Obliterated Owl Yamanba
Obliterated Mush Bro
Obliterated Clockwork Knight
Kissed a Princess 10 Times
Obliterated Onii Followers
Obliterated Yvonne
Cleared Liam's tutorial
Obliterated Cow Bones
Screamed at the Sea
Saved 100,000 Bol and built your first workhouse
Cleared the escape tutorial