Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A True Connoisseur	Obtain all underwear.
Do it Harder	Clear all missions on Hard Difficulty or higher.
Heaven-Piercing Driller	Reach a combo of 50 during Intensive Drilling.
Helheim: Hotter Than Hell	Clear Chapter Seven.
I prefer one-on-ones	Achieve an SSS rank during a Single Drilling.
Master of All Trades	Unlock all abilities for every character.
Now for the rest of the trophies!	Clear all Extra Missions.
Overflowing Ecstasy	Clear all missions on Ecstasy Difficulty.
Ready to repeat the year	Clear Chapter Six.
S stands for Superb!	Clear all missions with an S rank or higher.
Sci-fi in MY fantasy?!	Clear Chapter Nine.
Slayer of a Thousand	Defeat 1000 monsters.
Slayer of Ten Thousand	Defeat 10,000 monsters.
Sublime Ecstsay	Clear all missions on Ecstasy Difficulty with an S rank or higher.
Supreme Ruler of Midgard!	Erased all achievements.
The Biggest, Baddest, Evilest Dragon	Clear Chapter Five.
The Blazing Bullet	Raise Aya Hinomoto to Level 99.
The Forever 21 Elf	Clear Chapter Four.
The Iron-Willed Princess	Clear Chapter Two.
The Princess Knight's Cliche	Activate Kukkoro Mode.
The Timid Magician	Clear Chapter Three.
The Truth Revealed?!	Clear Chapter Eight.
The Weapon Collecting Vice-Prez!	Obtain all weapons.
This is like one of my animes	Clear Chapter One.
Two bodies are better than one!	Achieve an SSS rank during a Double Drilling.
What IS this stuff?	Obtain all materials.
You like receiving better than giving?	Achieve an SSS rank during a Reverse Drilling.