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