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