Here is the full list of all 36 UPPERS achievements.
Clear Act 1.
Defeat Chapter 1 boss with a finisher.
Defeat a boss with a Friendship Upper Rush.
Perform a Friendship Upper Rush.
Defeat a boss with an Upper Rush.
Successfully perform an Upper Rush.
Perform a Rise Up.
Activate map gimmicks/special actions 100 times.
Get a match in Panty Slots.
Activate Panty Slots.
Get 1 Love Letter.
Defeat 1 grunt.
Lift Shopping District's Queen skirt.
Get 30 Love Letters.
Change clothes in the ONEPOINT shop for the first time.
Clear Act 2.
Clear Act 3.
Clear Act 3 Side Story.
Clear Act 4.
Clear Act 5.
Clear Act 6.
Clear End Chapter.
Reach maximum (LV5) Voltage.
Watch every reward cutscene for 1 Queen.
Get 50 Love Letters.
Unlock all playable characters.
Defeat all bosses on the streets.
Use all map gimmicks.
Watch every reward cutscene for 4 Queens.
Get "Ino-Shika-Cho" in Panty Slots.
Get "World Expo" in Panty Slots.
Watch every reward cutscene for all Queens.
Get 100 Love Letters.
Clear all Panty Slot combinations.
Clear the last Chapter without taking any damage.
Obtain all available trophies.